{"id":178800,"date":"2023-01-06T16:15:18","date_gmt":"2023-01-06T15:15:18","guid":{"rendered":"https:\/\/groupe-reussite.fr\/ressources\/?page_id=178800"},"modified":"2023-01-10T13:28:22","modified_gmt":"2023-01-10T12:28:22","slug":"cours-en-ligne-exercices-corriges-theoreme-energie-cinetique-1ere","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-theoreme-energie-cinetique-1ere\/","title":{"rendered":"Exercices et corrig\u00e9s sur th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique 1\u00e8re"},"content":{"rendered":"<div class=\"Latex_page\">\n<section class=\"has_ae_slider elementor-element elementor-section-full_width elementor-reverse-mobile elementor-section-stretched elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default elementor-section elementor-top-section\">\n<div class=\"elementor-container elementor-column-gap-no\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column-wrap elementor-element-populated colone_elementor\" style=\"text-align: justify\">\t\t<div data-elementor-type=\"page\" data-elementor-id=\"178463\" class=\"elementor elementor-178463\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-154cd0f6 elementor-section-content-bottom elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"154cd0f6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3ef0bf7e sticky_badeau_colone strick_col ae-bg-gallery-type-default\" data-id=\"3ef0bf7e\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-121d8a35 elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"121d8a35\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bc5b18e strick_col ae-bg-gallery-type-default\" data-id=\"bc5b18e\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2a3d1d3c elementor-widget elementor-widget-heading\" data-id=\"2a3d1d3c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-physique-chimie-premiere\/\">Cours en ligne physique chimie en Premi\u00e8re<\/a><\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c1f4077 elementor-widget elementor-widget-heading\" data-id=\"1c1f4077\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Chapitres physique-chimie en Premi\u00e8re<\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72ad5ff7 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"72ad5ff7\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-description-systeme-chimie-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Description d'un syst\u00e8me chimique 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-456e54bd elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"456e54bd\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-evolution-systeme-chimique-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Evolution d'un syst\u00e8me chimique 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51aeec8b elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"51aeec8b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-dosages-colorimetriques-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Dosage colorim\u00e9trique 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-724514af elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"724514af\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-structure-especes-chimiques-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Structure des esp\u00e8ces chimiques 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22111ee8 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"22111ee8\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-proprietes-matiere-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Structures et propri\u00e9t\u00e9s de la mati\u00e8re 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c28dfc8 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"3c28dfc8\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-molecules-organiques-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Mol\u00e9cules organiques 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-effa647 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"effa647\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-syntheses-organiques-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Synth\u00e8ses organiques 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-661fe92c elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"661fe92c\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-energie-chimique-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Energie et r\u00e9actions chimiques 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-525e5054 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"525e5054\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-interaction-champs-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Int\u00e9raction et champs 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33c6441d elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"33c6441d\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-statique-fluides-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Statique des fluides 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fb037da elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"4fb037da\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-mouvements-forces-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Mouvement et forces 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75375abf elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"75375abf\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-phenomenes-electriques-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Energie des ph\u00e9nom\u00e8nes \u00e9lectriques 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59573233 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"59573233\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-theoreme-energie-cinetique-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Th\u00e9or\u00e8me de l'\u00e9nergie cin\u00e9tique 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f1e56c elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6f1e56c\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-energie-mecanique-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Energie m\u00e9canique 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7bd2f64 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"7bd2f64\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ondes-mecaniques-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Ondes m\u00e9caniques 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16d66e20 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"16d66e20\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-images-couleurs-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Images et couleurs 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6165fbae elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6165fbae\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-modeles-lumiere-1ere\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Mod\u00e8les de la lumi\u00e8re 1\u00e8re<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e2083b7 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"7e2083b7\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/nous-contacter\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">CONTACTEZ-NOUS<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n<div class=\"elementor-column-wrap elementor-element-populated colone_latex\">\n<div class=\"style_pag\" style=\"color: #000;font-family: 'Lato', Sans-serif\">\n<div class=\"elementor-text-editor elementor-clearfix\" style=\"text-align: justify\">\n<h1 class=\"Latex_page_title\" style=\"text-align: center\">Exercices corrig\u00e9s th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique en 1\u00e8re<\/h1>\n<\/div>\n<p class=\"colone_latex_ancres\" style=\"text-align: center\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-theoreme-energie-cinetique-1ere\/\">R\u00e9sum\u00e9 de cours<\/a> <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-theoreme-energie-cinetique-1ere\/\">Exercices et corrig\u00e9s<\/a><\/p>\n<p class=\"colone_latex_ancres\" style=\"text-align: center\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-physique-chimie-premiere\/\">Cours en ligne de physique-chimie en Premi\u00e8re<\/a><\/p>\n<p style=\"text-align: justify\">Ces exercices corrig\u00e9s en 1\u00e8re pour la sp\u00e9cialit\u00e9 physique chimie sur le th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique pourront vous aider \u00e0 mieux comprendre les notions de travail d&rsquo;une force constante sur un d\u00e9placement rectiligne et l&rsquo;\u00e9nergie cin\u00e9tique. Vous pourrez mieux appr\u00e9hender la force d&rsquo;une force du frottement, loi de Coulumb et l&rsquo;altitude maximale. Si vous avez des difficult\u00e9s ou souhaitez exceller, nous proposons des <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\">professeurs particuliers de physique chimie<\/a> pour les \u00e9l\u00e8ves de premi\u00e8re sur notre plateforme.<\/p>\n<p style=\"text-align: justify\">Vous pouvez consulter d&rsquo;autres exercices et corrig\u00e9s de physique chimie en premi\u00e8re sur notre site : exercices sur l&rsquo;\u00e9volution d&rsquo;un syst\u00e8me chimique, exercices sur le dosage colorim\u00e9trique ou encore les exercices corrig\u00e9s sur la structure des esp\u00e8ces chimiques, etc.<\/p>\n<p style=\"text-align: justify\">\n<h2 style=\"text-align: justify\">QCM sur le th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique en 1ere<\/h2>\n<p style=\"text-align: justify\"><strong>Question 1<\/strong> :<\/p>\n<p>Le travail d&rsquo;une force <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c7d5e573e176730e9d1e75331b37614a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#70;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"15\" style=\"vertical-align: 0px;\"\/> constante perpendiculaire \u00e0 un d\u00e9placement <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8b70041a0169cfc0f65c078d446c68ab_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#65;&#66;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"27\" style=\"vertical-align: 0px;\"\/> rectiligne vaut<\/p>\n<p>a. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-cb1b08d4c68b8e080b953a50715e0530_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#70;&#92;&#99;&#100;&#111;&#116;&#32;&#65;&#66;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"54\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>b. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7b53de3b4374b8d8afc09bdc5170ded3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#70;&#43;&#65;&#66;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"63\" style=\"vertical-align: -2px;\"\/><\/p>\n<p>c. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-891ae885c8063c2417ccb4e5d36ccece_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#70;&#45;&#65;&#66;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"63\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>d. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/><\/p>\n<p><strong>Question 2<\/strong> :<\/p>\n<p>Une force <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c7d5e573e176730e9d1e75331b37614a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#70;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"15\" style=\"vertical-align: 0px;\"\/> fait avec le d\u00e9placement <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8b70041a0169cfc0f65c078d446c68ab_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#65;&#66;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"27\" style=\"vertical-align: 0px;\"\/> un angle <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9d5795bd036f2e3b8f1fcf1c4577d3e1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#108;&#112;&#104;&#97;&#61;&#49;&#48;&#48;&#94;&#123;&#92;&#99;&#105;&#114;&#99;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"69\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>Le travail de cette force est<\/p>\n<p>a. strictement n\u00e9gatif<\/p>\n<p>b. nul<\/p>\n<p>c. strictement positif<\/p>\n<p>d. de signe impossible \u00e0 affirmer par manque de donn\u00e9es<\/p>\n<p><strong>Question 3<\/strong> :<\/p>\n<p>Un objet de masse <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6b41df788161942c6f98604d37de8098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"\/> subit une force unique et constante <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68ad55c43607fa57979ac667767cc199_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#102;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"14\" style=\"vertical-align: -4px;\"\/> le long d&rsquo;un d\u00e9placement rectiligne de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-770fd1447ccf2fc229801b486b0d8f8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#66;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> avec<\/p>\n<p>* <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3a4a3cd1d8afe3fb163250d243c81f75_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;&#66;&#61;&#68;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"66\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>* l&rsquo;angle entre <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68ad55c43607fa57979ac667767cc199_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#102;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"14\" style=\"vertical-align: -4px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8b70041a0169cfc0f65c078d446c68ab_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#65;&#66;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"27\" style=\"vertical-align: 0px;\"\/> vaut <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8f0b6b1a01f8fcc2f95be0364c090397_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#108;&#112;&#104;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> compris entre 0 et 90 degr\u00e9s.<\/p>\n<p>La vitesse de l&rsquo;objet en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> vaut <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e6385483f3d600c67352f1918fcb31b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#65;&#61;&#118;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"59\" style=\"vertical-align: -3px;\"\/><\/p>\n<p>Sa vitesse en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-770fd1447ccf2fc229801b486b0d8f8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#66;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> vaut<\/p>\n<p>a. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a264bbf997ac44867b38007585957650_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#66;&#61;&#118;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"60\" style=\"vertical-align: -3px;\"\/> car le poids n&rsquo;intervient pas<\/p>\n<p>b. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c9acefd94d1df663f20e8310a4629d23_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#66;&#61;&#118;&#95;&#48;&#43;&#102;&#68;&#92;&#115;&#105;&#110;&#92;&#97;&#108;&#112;&#104;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"146\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>c. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9681d14738d295cb0c303572872205b0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#66;&#61;&#118;&#95;&#48;&#43;&#102;&#68;&#92;&#99;&#111;&#115;&#92;&#97;&#108;&#112;&#104;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"148\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>d. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-719afc8b7695931aed36ecda8c0566bd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#66;&#61;&#118;&#95;&#48;&#43;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#50;&#102;&#68;&#92;&#99;&#111;&#115;&#92;&#97;&#108;&#112;&#104;&#97;&#125;&#123;&#109;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"180\" style=\"vertical-align: -15px;\"\/><\/p>\n<p>e. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d68fc4807a0d47ad98e99bd6bb56c5a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#66;&#61;&#92;&#115;&#113;&#114;&#116;&#123;&#118;&#95;&#48;&#94;&#50;&#43;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#50;&#102;&#68;&#92;&#99;&#111;&#115;&#92;&#97;&#108;&#112;&#104;&#97;&#125;&#123;&#109;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"181\" style=\"vertical-align: -15px;\"\/><\/p>\n<h3><\/h3>\n<h3>Corrig\u00e9 du QCM de 1\u00e8re sur le th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique<\/h3>\n<p><strong>Question 1<\/strong> :<\/p>\n<p>Le travail est \u00e9gal au produit scalaire<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8dad574647867d74467b1da6336a9d51_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#123;&#65;&#66;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#61;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#92;&#99;&#100;&#111;&#116;&#92;&#118;&#101;&#99;&#123;&#65;&#66;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"144\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>Il est donc nul car les vecteurs sont perpendiculaires.<\/p>\n<p><strong>Question 2<\/strong> :<\/p>\n<p>Le travail est \u00e9gal au produit scalaire<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8dad574647867d74467b1da6336a9d51_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#123;&#65;&#66;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#61;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#92;&#99;&#100;&#111;&#116;&#92;&#118;&#101;&#99;&#123;&#65;&#66;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"144\" style=\"vertical-align: -5px;\"\/> soit<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e4ba60631dcbef86c1e644532bf2a8bd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#123;&#65;&#66;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#61;&#92;&#124;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#92;&#124;&#92;&#99;&#100;&#111;&#116;&#92;&#124;&#92;&#118;&#101;&#99;&#123;&#65;&#66;&#125;&#92;&#124;&#92;&#99;&#100;&#111;&#116;&#92;&#99;&#111;&#115;&#92;&#97;&#108;&#112;&#104;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"230\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>Or le cosinus d&rsquo;un angle obtus, compris entre 90 et 180 degr\u00e9s, est strictement n\u00e9gatif et les normes sont strictement positives, donc le travail est strictement n\u00e9gatif.<\/p>\n<p><strong>Question 3<\/strong> :<\/p>\n<p>Par application du th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-311f2959abaa9de4534bbf88ea720e76_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#66;&#94;&#50;&#45;&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#48;&#94;&#50;&#61;&#102;&#68;&#92;&#99;&#111;&#115;&#92;&#97;&#108;&#112;&#104;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"200\" style=\"vertical-align: -6px;\"\/><\/p>\n<p>d&rsquo;o\u00f9 l&rsquo;expression de la formule (e).<\/p>\n<p>Attention \u00e0 la simplification pi\u00e8ge de la proposition (d), la racine carr\u00e9e de la somme n&rsquo;est pas \u00e9gale \u00e0 la somme des racines carr\u00e9es !<\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"127573\" class=\"elementor elementor-127573\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-43bcffd4 elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"43bcffd4\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-68edd0c8 ae-bg-gallery-type-default\" data-id=\"68edd0c8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1c346d80 elementor-widget elementor-widget-heading\" data-id=\"1c346d80\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS DE PHYSIQUE-CHIMIE<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4943db10 elementor-widget elementor-widget-heading\" data-id=\"4943db10\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Nous avons s\u00e9lectionn\u00e9 pour vous les meilleurs profs particuliers.<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2712c040 elementor-widget elementor-widget-heading\" data-id=\"2712c040\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">POUR ACC\u00c9L\u00c9RER MA PROGRESSION EN PHYSIQUE-CHIMIE, JE TROUVE DES<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47a956a elementor-align-left elementor-mobile-align-center elementor-tablet-align-left elementor-widget elementor-widget-button\" data-id=\"47a956a\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-md\" role=\"button\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Cours particuliers physique-chimie<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-443cd62a elementor-widget elementor-widget-text-editor\" data-id=\"443cd62a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p style=\"text-align: left\"><b>Avis Google France <\/b><span style=\"color: #e5a430\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-524facb5 ae-bg-gallery-type-default\" data-id=\"524facb5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify\">Exercices sur le th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique en 1\u00e8re<\/h2>\n<h3>Exercice sur le travail d&rsquo;une force de frottement, loi de Coulomb<\/h3>\n<p>On veut expliquer pourquoi il est plus fatiguant de d\u00e9placer une armoire qu&rsquo;un tapis de m\u00eame surface au sol.<\/p>\n<p>La force de frottement que subit un objet de masse <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6b41df788161942c6f98604d37de8098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"\/> quand on le fait glisser sur le sol horizontal a pour norme<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8488b4b4095207c1673c612807bd2f27_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#70;&#61;&#92;&#109;&#117;&#32;&#109;&#103;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"73\" style=\"vertical-align: -4px;\"\/> (loi de Coulomb)<\/p>\n<p>o\u00f9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-461fe1a58a75801541487ddf10d32abd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#117;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"11\" style=\"vertical-align: -4px;\"\/> est le coefficient de frottement entre l&rsquo;objet et le sol.<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-461fe1a58a75801541487ddf10d32abd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#117;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"11\" style=\"vertical-align: -4px;\"\/> est tr\u00e8s grand pour le caoutchouc (<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-da9d81a646986f14a5064622f8a80a58_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#117;&#92;&#115;&#105;&#109;&#101;&#113;&#32;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"43\" style=\"vertical-align: -4px;\"\/>), moins grand pour le bois (<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7e8500c9d5e75261630ff9fee7631378_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#117;&#92;&#115;&#105;&#109;&#101;&#113;&#32;&#48;&#44;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"59\" style=\"vertical-align: -4px;\"\/>), et petit pour les tissus (<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-35b92572f27308824c66a1a53451dd6f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#117;&#92;&#115;&#105;&#109;&#101;&#113;&#48;&#44;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"59\" style=\"vertical-align: -4px;\"\/>)<\/p>\n<p>Un objet de masse <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6b41df788161942c6f98604d37de8098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"\/> est gliss\u00e9 sur une distance <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4b9ef1bbd23fd1b198de883813285620_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"15\" style=\"vertical-align: 0px;\"\/> sur le sol horizontal.<\/p>\n<p>a. Donner l&rsquo;expression du travail de la force de frottement sur le d\u00e9placement, en fonction de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-461fe1a58a75801541487ddf10d32abd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#117;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"11\" style=\"vertical-align: -4px;\"\/>, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6b41df788161942c6f98604d37de8098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"\/>, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d208fd391fa57c168dc0f151de829fee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#103;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4b9ef1bbd23fd1b198de883813285620_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"15\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>b. En estimant les ordres de grandeur des diff\u00e9rents param\u00e8tres, donner une valeur approximative du travail de la force de frottement quand on glisse une armoire, dont les pieds sont en bois, sur une dizaine de m\u00e8tres.<\/p>\n<p>c. Faire de m\u00eame pour un tapis.<\/p>\n<p>d. Conclure.<\/p>\n<h3>Exercice sur l&rsquo;altitude maximale en premi\u00e8re<\/h3>\n<p>On lance verticalement vers le haut une pierre de masse <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6b41df788161942c6f98604d37de8098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"\/> depuis l&rsquo;altitude <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-220fb45893f8af7e70e53a6e40ae2dc6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#95;&#48;&#61;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"50\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>On note <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-063329cacd5a033832578422932f3ed6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#103;&#125;&#61;&#45;&#103;&#92;&#118;&#101;&#99;&#123;&#106;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"66\" style=\"vertical-align: -4px;\"\/> le champ de pesanteur, o\u00f9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-33a75323c281dcb3cfac5b6f3152fc04_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#106;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"11\" style=\"vertical-align: -4px;\"\/> est un vecteur unitaire vertical dirig\u00e9 vers le haut.<\/p>\n<p>La vitesse initiale de la pierre, quand elle quitte la main du lanceur, vaut<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7f5f708db572e9b125adc93ebd87307b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#118;&#125;&#95;&#48;&#61;&#118;&#95;&#48;&#92;&#118;&#101;&#99;&#123;&#107;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"67\" style=\"vertical-align: -3px;\"\/><\/p>\n<p>a. On n\u00e9glige tout frottement. D\u00e9terminer la hauteur maximale <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5dc94d350056e6d0086616435ed53487_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#95;&#49;&#61;&#72;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"56\" style=\"vertical-align: -4px;\"\/> \u00e0 laquelle la pierre monte, en fonction de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d208fd391fa57c168dc0f151de829fee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#103;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"\/>, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-14b463d0ecd5b350ced6cf1d6a12eef3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"10\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4c67dcc24165593b8becd4a81c36b74b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"\/><\/p>\n<p>b. Si on prend en compte la force de frottement de l&rsquo;air, oppos\u00e9e en sens et en direction au vecteur vitesse, la pierre montera-t-elle plus haut ou moins haut que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-379db1fc1f84b7ce56b92463183097f9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#72;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> ? Justifier soigneusement la r\u00e9ponse.<\/p>\n<p>c. On n\u00e9glige \u00e0 nouveau tout frottement. Quelle est la vitesse <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-176fc5995b3d96ad6ba41ce76b5486bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"\/> de la pierre lorsqu&rsquo;apr\u00e8s avoir atteint son point culminant, elle repasse par l&rsquo;altitude <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-220fb45893f8af7e70e53a6e40ae2dc6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#95;&#48;&#61;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"50\" style=\"vertical-align: -4px;\"\/> en retombant ?<\/p>\n<p>d. Toujours en n\u00e9gligeant les frottements, quelle est sa vitesse <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e120239420da898e63f7c367fa2d1bf6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"\/> juste avant qu&rsquo;elle ne touche le sol ?<\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"163687\" class=\"elementor elementor-163687\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-77e012ea elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"77e012ea\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-355ab73 ae-bg-gallery-type-default\" data-id=\"355ab73\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d4ef7c3 elementor-widget elementor-widget-heading\" data-id=\"5d4ef7c3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS PARTICULIERS DE PHYSIQUE<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db1f79b elementor-widget elementor-widget-heading\" data-id=\"db1f79b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Nous avons recrut\u00e9 pour vous les meilleurs profs de physique.<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dd0b35f elementor-widget elementor-widget-heading\" data-id=\"4dd0b35f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">POUR M'AM\u00c9LIORER EN PHYSIQUE, JE CHERCHE DES<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-167b42f7 elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"167b42f7\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique\/tous-niveaux\/france\/\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-md\" role=\"button\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Cours particuliers physique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60d6239c elementor-widget elementor-widget-text-editor\" data-id=\"60d6239c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p style=\"text-align: left\"><b>Avis Google France <\/b><span style=\"color: #e5a430\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-1f06ea06 ae-bg-gallery-type-default\" data-id=\"1f06ea06\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<h2>Corrig\u00e9s des exercices sur le th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique en 1ere<\/h2>\n<h3>Corrig\u00e9 de l&rsquo;exercice sur le travail d&rsquo;une force de frottement, loi de Coulomb<\/h3>\n<p>a. En utilisant la formule du cours<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b7f194319b1aeeede48c4c359e062cae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#123;&#65;&#66;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#61;&#45;&#92;&#109;&#117;&#32;&#109;&#103;&#68;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"154\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>b. On estime <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ce24566de14fe464e654807a0f1997be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#92;&#115;&#105;&#109;&#101;&#113;&#32;&#49;&#48;&#48;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#107;&#103;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"90\" style=\"vertical-align: -4px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d3a76efda120f0311c12057cc59d7a98_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#103;&#92;&#115;&#105;&#109;&#101;&#113;&#32;&#49;&#48;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#78;&#92;&#99;&#100;&#111;&#116;&#32;&#107;&#103;&#94;&#123;&#45;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"118\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>En prenant <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-96b07bce68c1bcba65804c2c90a58062_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#117;&#61;&#48;&#44;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"59\" style=\"vertical-align: -4px;\"\/> pour le bois comme indiqu\u00e9 dans l&rsquo;\u00e9nonc\u00e9, on a<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ae01035f1ab4219c039fa927a80d15ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#97;&#92;&#115;&#105;&#109;&#101;&#113;&#32;&#45;&#53;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#107;&#74;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"95\" style=\"vertical-align: -3px;\"\/><\/p>\n<p>c. Pour un tapis en tissu, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a8175743c9dc9e9f76823981e150604b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#117;&#61;&#48;&#44;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"59\" style=\"vertical-align: -4px;\"\/> et on estime <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1f305a2dd9ec7a2f6c0134158ca6ba7f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#92;&#115;&#105;&#109;&#101;&#113;&#32;&#53;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#107;&#103;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"72\" style=\"vertical-align: -4px;\"\/> donc<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-edf9e09ab6f3db79d27d2b2997c372eb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#116;&#61;&#45;&#53;&#48;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#74;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"93\" style=\"vertical-align: -3px;\"\/><\/p>\n<p>d. Le travail qu&rsquo;il faut fournir pour le d\u00e9placement est au moins \u00e9gal \u00e0 l&rsquo;oppos\u00e9 du travail de la force de frottement, d\u00e9placer l&rsquo;armoire est donc environ 100 fois plus fatiguant que le tapis.<\/p>\n<h3><strong>Corrig\u00e9 sur <\/strong>l&rsquo;altitude maximale en premi\u00e8re<\/h3>\n<p>a. Au point d&rsquo;altitude maximale, la vitesse s&rsquo;annule, donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f6e997bd90eec10aebb6007c4ea111cd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#49;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"49\" style=\"vertical-align: -3px;\"\/><\/p>\n<p>En appliquant le th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique entre le point 0 et le point 1<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-45e8942871d635892370749970bdc086_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#49;&#94;&#50;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#48;&#94;&#50;&#61;&#109;&#103;&#40;&#121;&#95;&#48;&#45;&#121;&#95;&#49;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"226\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e99691b2b0f773902d04819fd2ace681_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#48;&#94;&#50;&#61;&#109;&#103;&#40;&#104;&#45;&#72;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"185\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-edc0af864c19f2b4f0db214290185653_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#72;&#61;&#104;&#43;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#118;&#95;&#48;&#94;&#50;&#125;&#123;&#50;&#103;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"92\" style=\"vertical-align: -16px;\"\/><\/p>\n<p>b. La force \u00e9tant oppos\u00e9e au vecteur vitesse, elle est aussi oppos\u00e9e au vecteur d\u00e9placement.<\/p>\n<p>Si on consid\u00e8re un tout petit d\u00e9placement <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-23d034d8ed7048e21e9f415307648b3b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#80;&#81;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"28\" style=\"vertical-align: -4px;\"\/> pendant la phase de mont\u00e9e rectiligne verticale, de telle sorte que la force de frottement soit presque constante pendant ce petit d\u00e9placement, son travail<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3d8cf6cbfed05727fa1eaf9b89fcaed1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#61;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#92;&#99;&#100;&#111;&#116;&#32;&#92;&#118;&#101;&#99;&#123;&#80;&#81;&#125;&#32;&#60;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"158\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>en faisant de m\u00eame sur tous les petits d\u00e9placements qui d\u00e9composent la mont\u00e9e compl\u00e8te, la somme des petits travaux, tous strictement n\u00e9gatifs, est strictement n\u00e9gative<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0f64e4c74967d9b513295e51a23fe25e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#123;&#48;&#49;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#32;&#60;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"92\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>Le th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique entre le point 0 et le point 1 s&rsquo;\u00e9crit alors<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c31158b77ac516ba4732b864aced8af_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#49;&#94;&#50;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#48;&#94;&#50;&#61;&#109;&#103;&#40;&#121;&#95;&#48;&#45;&#121;&#95;&#49;&#41;&#43;&#87;&#95;&#123;&#48;&#49;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"306\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>Donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9a395c519bd43f0b3321d3359d71d4fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#48;&#94;&#50;&#45;&#109;&#103;&#40;&#104;&#45;&#72;&#41;&#61;&#87;&#95;&#123;&#48;&#49;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"266\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>Donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2013469d7dc868f5bba82d71ef8a1cc3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#48;&#94;&#50;&#45;&#109;&#103;&#40;&#104;&#45;&#72;&#41;&#32;&#60;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"217\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>Donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3fecb162eddf373d47641d8ad6107b2a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#72;&#32;&#60;&#32;&#104;&#43;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#118;&#95;&#48;&#94;&#50;&#125;&#123;&#50;&#103;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"92\" style=\"vertical-align: -16px;\"\/><\/p>\n<p>c. En appliquant le th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique entre le point 0 et le point 2<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7262cb417be0cb8dc208752096533e67_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#50;&#94;&#50;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#48;&#94;&#50;&#61;&#109;&#103;&#40;&#121;&#95;&#48;&#45;&#121;&#95;&#50;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"226\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>Soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6940007ebc4eafb0d1c8114ae4f193be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#50;&#94;&#50;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#48;&#94;&#50;&#61;&#109;&#103;&#40;&#104;&#45;&#104;&#41;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"247\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>Donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-07ea42c95d6e5b9893864fd441d1d472_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#50;&#61;&#118;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"56\" style=\"vertical-align: -3px;\"\/><\/p>\n<p>et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c9c3f7e8668a200e8288acbd7e89057d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#118;&#125;&#95;&#50;&#61;&#45;&#118;&#95;&#48;&#92;&#118;&#101;&#99;&#123;&#106;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"80\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>d. En appliquant le th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique entre le point 0 et le point 3<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3f8f9b3c3d6d96ddfc1ba0733777c2ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#51;&#94;&#50;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#48;&#94;&#50;&#61;&#109;&#103;&#40;&#121;&#95;&#48;&#45;&#121;&#95;&#51;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"226\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c9ef66db2c9a40e2dbf2f013ce5a53e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#51;&#94;&#50;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#95;&#48;&#94;&#50;&#61;&#109;&#103;&#40;&#104;&#45;&#48;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"212\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3dc59857af2730712ae95d4b1d15b071_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#51;&#61;&#92;&#115;&#113;&#114;&#116;&#123;&#118;&#95;&#48;&#94;&#50;&#43;&#50;&#103;&#104;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"125\" style=\"vertical-align: -6px;\"\/><\/p>\n<p>Retrouvez d&rsquo;autres cours en ligne gratuits en 1\u00e8re sur notre site :<\/p>\n<ul>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-energie-mecanique-1ere\/\">Exercices sur l&rsquo;\u00e9nergie m\u00e9canique<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-ondes-mecaniques-1ere\/\">Exercices et corrig\u00e9s sur les ondes m\u00e9caniques<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-images-couleurs-1ere\/\">Exercices sur les images et couleurs en 1ere<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-modeles-lumiere-1ere\/\">Exercices et corrig\u00e9s sur les mod\u00e8les de la lumi\u00e8re en premi\u00e8re<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-description-systeme-chimie-1ere\/\">Exercices et corrig\u00e9s sur les outils de description d&rsquo;un syst\u00e8me chimique en 1\u00e8re<\/a>.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Exercices corrig\u00e9s th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique en 1\u00e8re R\u00e9sum\u00e9 de cours Exercices et corrig\u00e9s Cours en ligne de physique-chimie en Premi\u00e8re Ces exercices corrig\u00e9s en 1\u00e8re pour la sp\u00e9cialit\u00e9 physique chimie sur le th\u00e9or\u00e8me de l&rsquo;\u00e9nergie cin\u00e9tique pourront vous aider \u00e0 mieux comprendre les notions de travail d&rsquo;une force constante sur un d\u00e9placement rectiligne et [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - 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