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основные понятия

тестовое задание по физике

Механическим движением тела называют изменение положения тела в пространстве относительно других тел
Для того, чтобы задать положение тела в пространстве, необходимы тело отсчета система координат часы
Материальная точка это тело, размерами и массой которого можно пренебречь, в сравнении с расстоянием до него
Как называется описанное понятие: вектор, соединяющий начальную и конечную точки траектории перемещение
Закон всемирного тяготения формулируется Сила взаимодействия двух тел прямо пропорциональна произведению масс этих тел и обратно пропорциональна квадрату расстояния между ними
Вес тела-это Сила упругости, которая действует на опору или подвес, по причине притяжения данного тела Землей
Что характеризует ускорение? изменение скорости тела
Скорость тела –это величина равная отношению перемещения к интервалу времени
Popular Physics sets




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