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perroud 3e force

3e force poids masse

QuestionAnswer
Masse (définition, appareil de mesure, unité) quantité de matière ; balance ; gramme (grandeur physique ?)
Poids (définition, appareil de mesure, unité) force de gravitation exercée par la Terre , dynamomètre , Newton
calcul du poids (formule ?) P = m x g avec P en N m en kg g en N/kg
gravitation (définition) interaction attractive à distance entre deux objets ayant une masse
2 types d'interactions (nom et modélisation) interaction de contact : interaction à distance :
modélisation d'une action/force segment avec une flèche dont la taille est en lien avec la valeur
effets d'une force -modification du mouvement (vitesse, direction) -et/ou déformation de l'objet
calcul de l'intensité de pesanteur g g = P/m en N/kg
Created by: eraxit
 

 



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