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<video:description>Dans cette deuxième partie du chapitre "La gravitation universelle" destiné aux élèves du Tronc Commun Scientifique, nous abordons les concepts fondamentaux suivants :La loi de gravitation universelle (Loi de Newton) : Expression mathématique et caractéristiques des forces d'interaction gravitationnelle.Le poids d'un corps : Définition de la force exercée par la Terre sur un objet et comparaison avec la force de gravitation.L'intensité de la pesanteur ($g$) : Variation de l'intensité de la pesanteur en fonction de l'altitude ($h$) et de la latitude.Applications et exercices d'application : Récapitulatif pour bien maîtriser les calculs et les unités de mesure.Objectif du cours : Comprendre le lien entre la masse d'un corps, la distance et la force gravitationnelle, et savoir calculer l'intensité de pesanteur à une altitude donnée.</video:description>
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