{"id":178827,"date":"2023-01-06T16:35:54","date_gmt":"2023-01-06T15:35:54","guid":{"rendered":"https:\/\/groupe-reussite.fr\/ressources\/?page_id=178827"},"modified":"2023-01-10T13:43:40","modified_gmt":"2023-01-10T12:43:40","slug":"cours-en-ligne-exercices-corriges-energie-mecanique-1ere","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-energie-mecanique-1ere\/","title":{"rendered":"Exercices et corrig\u00e9s sur l&rsquo;\u00e9nergie m\u00e9canique en 1ere"},"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<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\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\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-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\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\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\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-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\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-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\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\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-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Chapitres physique-chimie en Premi\u00e8re<\/p>\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-description-systeme-chimie-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Description d'un syst\u00e8me chimique 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-evolution-systeme-chimique-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Evolution d'un syst\u00e8me chimique 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-dosages-colorimetriques-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Dosage colorim\u00e9trique 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-structure-especes-chimiques-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Structure des esp\u00e8ces chimiques 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-proprietes-matiere-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\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\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-molecules-organiques-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Mol\u00e9cules organiques 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-syntheses-organiques-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Synth\u00e8ses organiques 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-energie-chimique-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Energie et r\u00e9actions chimiques 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-interaction-champs-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Int\u00e9raction et champs 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-statique-fluides-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Statique des fluides 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-mouvements-forces-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Mouvement et forces 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-phenomenes-electriques-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Energie des ph\u00e9nom\u00e8nes \u00e9lectriques 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-theoreme-energie-cinetique-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\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\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-energie-mecanique-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Energie m\u00e9canique 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ondes-mecaniques-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Ondes m\u00e9caniques 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-images-couleurs-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Images et couleurs 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-modeles-lumiere-1ere\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Mod\u00e8les de la lumi\u00e8re 1\u00e8re<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/nous-contacter\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">CONTACTEZ-NOUS<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\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 l&rsquo;\u00e9nergie m\u00e9canique et potentielle 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-energie-mecanique-1ere\/\">R\u00e9sum\u00e9 de cours<\/a> <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-energie-mecanique-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 au 1\u00e8re pour la sp\u00e9cialit\u00e9 physique chimie sur l&rsquo;\u00e9nergie m\u00e9canique et potentielle pourront vous aider \u00e0 mieux comprendre les notions d&rsquo;\u00e9nergie le long d&rsquo;un lacet, l&rsquo;\u00e9nergie potentielle de pesanteur et l&rsquo;\u00e9nergie potentielle gravitationnelle. Groupe R\u00e9ussite propose via la plateforme des <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\">professeurs particuliers de physique chimie<\/a> si vous souhaitez aller plus loin et maitriser toutes les notions.<\/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 structure et propri\u00e9t\u00e9s de la mati\u00e8re, exercices sur les mol\u00e9cules organiques ou encore les synth\u00e8ses organiques, etc.<\/p>\n<p style=\"text-align: justify\">\n<h2 style=\"text-align: justify\">QCM sur l&rsquo;\u00e9nergie m\u00e9canique et potentielle en 1ere<\/h2>\n<p style=\"text-align: justify\"><strong>Question 1<\/strong> :<\/p>\n<p>Quand un objet de masse <img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5a53d8daa95c80b074b30f3999013269_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#61;&#49;&#44;&#48;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#107;&#103;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"89\" style=\"vertical-align: -4px;\"\/> passe d&rsquo;une position <img decoding=\"async\" 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;\"\/> situ\u00e9e <img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f6171544990e87120383dbd0f0427dcf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#104;&#61;&#49;&#50;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#109;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"72\" style=\"vertical-align: 0px;\"\/> au dessus du sol jusqu&rsquo;\u00e0 une position <img loading=\"lazy\" decoding=\"async\" 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;\"\/> situ\u00e9e <img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f6171544990e87120383dbd0f0427dcf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#104;&#61;&#49;&#50;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#109;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"72\" style=\"vertical-align: 0px;\"\/> sous le sol, son \u00e9nergie potentielle varie de<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9b6ff74170d611c96b29acb5e786a35f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#69;&#95;&#112;&#61;&#69;&#112;&#95;&#66;&#45;&#69;&#112;&#95;&#65;&#61;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"168\" style=\"vertical-align: -6px;\"\/><\/p>\n<p>a. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-11cdae78175201b5ced48f040545f132_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#50;&#109;&#103;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"56\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>b. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-437447750131f52df73dfe37267aab5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#109;&#103;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"47\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>c. <img loading=\"lazy\" decoding=\"async\" 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>d. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6b9c2419e847e8fa19e947daaecb8ae6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#103;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"35\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>e. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c5a9e4f1170e051770ec65a9e6dcea63_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#109;&#103;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"44\" style=\"vertical-align: -4px;\"\/><\/p>\n<p><strong>Question 2<\/strong> :<\/p>\n<p>Un objet tombe d&rsquo;une hauteur <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e3b5b504cf63974acee4d790de2c7ee7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/>, avec une vitesse initiale nulle.<\/p>\n<p>Il n&rsquo;y a pas de frottement.<\/p>\n<p>Lorsque l&rsquo;objet est \u00e0 la hauteur <img loading=\"lazy\" decoding=\"async\" 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;\"\/>, sa vitesse vaut<\/p>\n<p>a. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4e780bd028a5b9521f0f881d3af29ad8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#61;&#92;&#115;&#113;&#114;&#116;&#123;&#103;&#104;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"68\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>b. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b8b62cb20356dd00840bbb4dbb459745_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#61;&#92;&#115;&#113;&#114;&#116;&#123;&#50;&#103;&#104;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"77\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>c. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-41b8b33b727152456cebc6b4a27380a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#61;&#92;&#115;&#113;&#114;&#116;&#123;&#52;&#103;&#104;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"77\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>d. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-304319040a6b6a3270c2b93d9f5436c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#61;&#92;&#115;&#113;&#114;&#116;&#123;&#56;&#103;&#104;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"77\" style=\"vertical-align: -4px;\"\/><\/p>\n<h2>Corrig\u00e9 du QCM de 1\u00e8re sur l&rsquo;\u00e9nergie m\u00e9canique et potentielle<\/h2>\n<p><strong>Question 1<\/strong> :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3a27aed424288ef498b254e58bf3f6e3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#112;&#61;&#109;&#103;&#121;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"80\" style=\"vertical-align: -4px;\"\/> avec <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-73759099f05414f364b71778296f7e0b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#95;&#65;&#61;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"53\" style=\"vertical-align: -4px;\"\/> et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-dba95686c7a76a0ad2397f9ab4c67f7a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#95;&#66;&#61;&#45;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"68\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>donc <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-eb695f1b84f51fba2cb8b9bc9502b29c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#69;&#112;&#61;&#45;&#109;&#103;&#104;&#45;&#109;&#103;&#40;&#95;&#104;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"178\" style=\"vertical-align: -5px;\"\/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-362ef67a3265860b7b1d42011f9cda7c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#69;&#112;&#61;&#45;&#50;&#109;&#103;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"119\" style=\"vertical-align: -4px;\"\/><\/p>\n<p><strong>Question 2<\/strong> :<\/p>\n<p>La loi de conservation de l&rsquo;\u00e9nergie m\u00e9canique s&rsquo;\u00e9crit<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-58b096db26543edd5a2f37480db6faa5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#92;&#99;&#100;&#111;&#116;&#32;&#48;&#94;&#50;&#43;&#109;&#103;&#40;&#50;&#104;&#41;&#61;&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#118;&#94;&#50;&#43;&#109;&#103;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"256\" style=\"vertical-align: -6px;\"\/><\/p>\n<p>donc <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e3f1aa862a26b1636ecbe842c2e7e92e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#94;&#50;&#61;&#50;&#103;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"69\" style=\"vertical-align: -4px;\"\/> et<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b8b62cb20356dd00840bbb4dbb459745_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#61;&#92;&#115;&#113;&#114;&#116;&#123;&#50;&#103;&#104;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"77\" style=\"vertical-align: -4px;\"\/><\/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-e-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<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\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\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-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS DE PHYSIQUE-CHIMIE<\/h3>\t\t\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-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\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\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-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\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\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\" target=\"_blank\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Cours particuliers physique-chimie<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-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\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\t\t\t<\/div>\n\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\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\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 l&rsquo;\u00e9nergie m\u00e9canique et potentielle en 1\u00e8re<\/h2>\n<h3>Exercice sur le long d&rsquo;un lacet en 1\u00e8re<\/h3>\n<p>Un lacet est une trajectoire dont le point de d\u00e9part <img decoding=\"async\" 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;\"\/> est confondu avec le point d&rsquo;arriv\u00e9e.<\/p>\n<p>a. Montrer que<\/p>\n<p>* Si le travail d&rsquo;une force est nul le long de n&rsquo;importe quel lacet, alors cette force est conservative<\/p>\n<p>* R\u00e9ciproquement, si une force est conservative, alors son travail est nul le long de n&rsquo;importe quel lacet.<\/p>\n<p>On pourra s&rsquo;inspirer du sch\u00e9ma suivant.<\/p>\n<p>b. Prouver que quand on fait une promenade selon un lacet, le travail du poids est toujours nul.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-178829 size-full\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2022\/12\/schema-energie-potentielle-1ere.jpeg\" alt=\"Exercices et corrig\u00e9s sur l'\u00e9nergie potentielle \" width=\"315\" height=\"170\" srcset=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2022\/12\/schema-energie-potentielle-1ere.jpeg 315w, https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2022\/12\/schema-energie-potentielle-1ere-300x162.jpeg 300w\" sizes=\"(max-width: 315px) 100vw, 315px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3>Exercice sur l&rsquo;\u00e9nergie potentielle de pesanteur, \u00e9nergie potentielle gravitationnelle<\/h3>\n<p>Un objet <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/> de masse <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-db99bc8353e2bdc04d44cee9c227da7b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#61;&#49;&#53;&#48;&#48;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#107;&#103;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"99\" style=\"vertical-align: -4px;\"\/> se d\u00e9place au voisinage de la Terre.<\/p>\n<p>lorsqu&rsquo;il reste \u00e0 quelques kilom\u00e8tres de la surface de la Terre, la force de gravitation terrestre peut \u00eatre assimil\u00e9e au poids <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d56eb40e3364a887672958c8f45a7251_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#80;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"15\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>L&rsquo;\u00e9nergie potentielle de pesanteur vaut<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7d28bf45e9c5c70e4a4eddcc35f77f1c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#112;&#95;&#112;&#61;&#109;&#103;&#121;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"88\" style=\"vertical-align: -6px;\"\/><\/p>\n<p>o\u00f9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"\/> est l&rsquo;altitude de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/> mesur\u00e9e par rapport au sol qui forme la r\u00e9f\u00e9rence.<\/p>\n<p>Lorsqu&rsquo;il se d\u00e9place \u00e0 des altitudes beaucoup plus importantes, on ne peut plus assimiler la force gravitationnelle au poids.<\/p>\n<p>L&rsquo;\u00e9nergie potentielle gravitationnelle vaut<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7f4b192f528173d669595ed667d61908_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#112;&#95;&#103;&#61;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#71;&#125;&#109;&#95;&#84;&#109;&#125;&#123;&#114;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"124\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>o\u00f9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4538acfa094b6035d727e8a901950516_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#71;&#125;&#61;&#54;&#44;&#54;&#55;&#92;&#99;&#100;&#111;&#116;&#32;&#49;&#48;&#94;&#123;&#45;&#49;&#49;&#125;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#78;&#92;&#99;&#100;&#111;&#116;&#32;&#109;&#94;&#50;&#92;&#99;&#100;&#111;&#116;&#32;&#107;&#103;&#94;&#123;&#45;&#50;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"229\" style=\"vertical-align: -4px;\"\/> est la constante de gravitation<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e4080437982d67415cfd6585b2e5430d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#95;&#84;&#61;&#53;&#44;&#57;&#56;&#92;&#99;&#100;&#111;&#116;&#32;&#49;&#48;&#94;&#123;&#50;&#52;&#125;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#107;&#103;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"153\" style=\"vertical-align: -4px;\"\/> la masse de la Terre<\/p>\n<p>et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c409433a9e2dfcdb83360a974d243f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"\/> la distance du centre de la Terre au point <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>Le rayon de la Terre vaut <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-413c64d3b62592e48c78bbd3272e3c93_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#82;&#95;&#84;&#61;&#54;&#44;&#51;&#56;&#92;&#99;&#100;&#111;&#116;&#32;&#49;&#48;&#94;&#54;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#109;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"141\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>On prend <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-aba2e01f50edc7d49aa19e73a823c2f5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#103;&#61;&#57;&#44;&#56;&#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=\"126\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>a. Calculer le travail du poids lorsque <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/> se d\u00e9place de l&rsquo;altitude <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-50cc72c67ea9a573f5bbfd5d5ffa397f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#95;&#65;&#61;&#49;&#48;&#48;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#107;&#109;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"100\" style=\"vertical-align: -4px;\"\/> jusqu&rsquo;au sol.<\/p>\n<p>b. Comparer au travail de la force gravitationnelle dans ce cas.<\/p>\n<p>c. Calculer le travail de la force gravitationnelle lorsque <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/> va du sol jusqu&rsquo;\u00e0 une distance de la Terre qui tend vers l&rsquo;infini.<\/p>\n<p>d. Pourquoi ne peut-on pas calculer le travail du poids dans ce cas ?<\/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-e-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<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\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\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-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS PARTICULIERS DE PHYSIQUE<\/h3>\t\t\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-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\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\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-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">POUR M'AM\u00c9LIORER EN PHYSIQUE, JE CHERCHE DES<\/h4>\t\t\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-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique\/tous-niveaux\/france\/\" target=\"_blank\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Cours particuliers physique<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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-e-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\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\t\t\t<\/div>\n\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\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\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\u00e9 des exercices sur l&rsquo;\u00e9nergie potentielle en 1ere<\/h2>\n<h3>Corrig\u00e9 de l&rsquo;exercice sur le long d&rsquo;un lacet en premi\u00e8re<\/h3>\n<p>a. * Soient deux points <img decoding=\"async\" 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;\"\/> et <img loading=\"lazy\" decoding=\"async\" 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;\"\/>, et deux chemins distincts (I) et (II) de <img decoding=\"async\" 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\" decoding=\"async\" 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;\"\/><\/p>\n<p>Si on part de <img decoding=\"async\" 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;\"\/>, qu&rsquo;on va jusqu&rsquo;\u00e0 <img loading=\"lazy\" decoding=\"async\" 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;\"\/> par le chemin (I) et qu&rsquo;on revient de <img loading=\"lazy\" decoding=\"async\" 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;\"\/> \u00e0 <img decoding=\"async\" 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;\"\/> par le chemin (II), alors on forme un lacet.<\/p>\n<p>Le travail \u00e9tant nul le long de ce lacet, on a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7b981356908e9d41db1b61e9b31776c1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#123;&#65;&#66;&#40;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#43;&#87;&#95;&#123;&#66;&#65;&#40;&#73;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"230\" style=\"vertical-align: -8px;\"\/><\/p>\n<p>Donc <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4a38724f0c2a0f40dffd6565de8ee376_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#123;&#65;&#66;&#40;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#45;&#87;&#95;&#123;&#65;&#66;&#40;&#73;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"230\" style=\"vertical-align: -8px;\"\/><\/p>\n<p>Soit <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-62a9bb8357b991c3bdf3ab0321386f00_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#123;&#65;&#66;&#40;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#61;&#87;&#95;&#123;&#65;&#66;&#40;&#73;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"198\" style=\"vertical-align: -8px;\"\/><\/p>\n<p>Le travail ne d\u00e9pend pas du chemin suivi, la force est donc conservative.<\/p>\n<p>* R\u00e9ciproquement, soit un lacet de <img decoding=\"async\" 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 decoding=\"async\" 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;\"\/> et <img loading=\"lazy\" decoding=\"async\" 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;\"\/> un point sur ce lacet.<\/p>\n<p>La force \u00e9tant conservative,<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-62a9bb8357b991c3bdf3ab0321386f00_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#123;&#65;&#66;&#40;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#61;&#87;&#95;&#123;&#65;&#66;&#40;&#73;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"198\" style=\"vertical-align: -8px;\"\/><\/p>\n<p>Donc <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4a38724f0c2a0f40dffd6565de8ee376_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#123;&#65;&#66;&#40;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#45;&#87;&#95;&#123;&#65;&#66;&#40;&#73;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"230\" style=\"vertical-align: -8px;\"\/><\/p>\n<p>Donc <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7b981356908e9d41db1b61e9b31776c1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#123;&#65;&#66;&#40;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#43;&#87;&#95;&#123;&#66;&#65;&#40;&#73;&#73;&#41;&#125;&#40;&#92;&#118;&#101;&#99;&#123;&#70;&#125;&#41;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"230\" style=\"vertical-align: -8px;\"\/><\/p>\n<p>Donc le travail le long du lacet est nul.<\/p>\n<p>b. Le poids \u00e9tant conservatif, il suffit d&rsquo;appliquer le r\u00e9sultat de la question a.<\/p>\n<h3><strong>Corrig\u00e9 sur <\/strong>l&rsquo;\u00e9nergie potentielle de pesanteur, \u00e9nergie potentielle gravitationnelle<\/h3>\n<p>a. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-db0748e63488e9eee0dc79a41092ced8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#112;&#61;&#69;&#112;&#95;&#112;&#40;&#65;&#41;&#45;&#69;&#112;&#95;&#112;&#40;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#115;&#111;&#108;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"192\" style=\"vertical-align: -6px;\"\/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-cdab1dc8b1cf77ffcd8049d41568d53c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#112;&#61;&#109;&#103;&#121;&#95;&#65;&#45;&#48;&#61;&#49;&#44;&#52;&#55;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#71;&#74;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"210\" style=\"vertical-align: -6px;\"\/><\/p>\n<p>b. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-74e4b99b7ebde2a3e953fb5a7494ed01_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#103;&#61;&#69;&#112;&#95;&#103;&#40;&#65;&#41;&#45;&#69;&#112;&#95;&#103;&#40;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#115;&#111;&#108;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"192\" style=\"vertical-align: -6px;\"\/><\/p>\n<p>Au niveau du sol, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0e69c32ceff76daf0a668dc8163c92a6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;&#61;&#82;&#95;&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"55\" style=\"vertical-align: -3px;\"\/><\/p>\n<p>et au point <img decoding=\"async\" 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;\"\/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-48ef63784a992d945bb0e853265fc5b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;&#95;&#65;&#61;&#82;&#95;&#84;&#43;&#121;&#95;&#65;&#61;&#32;&#54;&#44;&#52;&#56;&#92;&#99;&#100;&#111;&#116;&#32;&#49;&#48;&#94;&#54;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#109;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"226\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>On en d\u00e9duit<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-91de30040dfbf21c790adaa9e73d8a8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#103;&#61;&#45;&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#71;&#125;&#109;&#95;&#84;&#109;&#92;&#108;&#101;&#102;&#116;&#091;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#82;&#95;&#84;&#43;&#121;&#95;&#65;&#125;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#82;&#95;&#84;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#093;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"252\" style=\"vertical-align: -16px;\"\/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-73699c6507493ee10eced510d701baeb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#103;&#61;&#49;&#44;&#52;&#53;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#71;&#74;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"112\" style=\"vertical-align: -6px;\"\/><\/p>\n<p>Les deux valeurs sont tr\u00e8s proches, on peut confondre les deux forces \u00e0 une altitude inf\u00e9rieure \u00e0 100 kilom\u00e8tres.<\/p>\n<p>c. Lorsque <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c409433a9e2dfcdb83360a974d243f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"\/> tend vers l&rsquo;infini, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e684d8ab408a4b65773b459a5da716d9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#112;&#95;&#103;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"30\" style=\"vertical-align: -6px;\"\/> tend vers 0. On en d\u00e9duit<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3144dda9ffc8f42d97d7e5e33842c2b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#87;&#95;&#103;&#61;&#45;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#71;&#125;&#109;&#95;&#84;&#109;&#125;&#123;&#82;&#95;&#84;&#125;&#45;&#48;&#61;&#45;&#57;&#44;&#52;&#92;&#99;&#100;&#111;&#116;&#32;&#49;&#48;&#94;&#123;&#49;&#48;&#125;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#74;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"273\" style=\"vertical-align: -15px;\"\/><\/p>\n<p>La formule de l&rsquo;\u00e9nergie potentielle de pesanteur donnerait une valeur qui tend vers l&rsquo;infini quand l&rsquo;altitude <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"\/> tend vers l&rsquo;infini.<\/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-evolution-systeme-chimique-1ere\/\">Exercices sur l&rsquo;\u00e9volution d&rsquo;un syst\u00e8me chimique pour la premi\u00e8re<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-dosages-colorimetriques-1ere\/\">Exercices et corrig\u00e9s sur le dosage colorim\u00e9trique\u00a0<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-structure-especes-chimiques-1ere\/\">Exercices sur la structure des esp\u00e8ces chimiques en 1ere<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-proprietes-matiere-1ere\/\">Exercices et corrig\u00e9s sur les structures et propri\u00e9t\u00e9 de la mati\u00e8re en premi\u00e8re<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-molecules-organiques-1ere\/\">Exercices et corrig\u00e9s sur les mol\u00e9cules organiques 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 l&rsquo;\u00e9nergie m\u00e9canique et potentielle 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 au 1\u00e8re pour la sp\u00e9cialit\u00e9 physique chimie sur l&rsquo;\u00e9nergie m\u00e9canique et potentielle pourront vous aider \u00e0 mieux comprendre les notions d&rsquo;\u00e9nergie le long d&rsquo;un lacet, l&rsquo;\u00e9nergie potentielle de pesanteur et [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_post_layout":"full-screen","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"ressource","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"on","ocean_disable_heading":"on","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"on","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-178827","page","type-page","status-publish","entry"],"yoast_head":"<!-- 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