Предмет: Физика, автор: ipsssen111

1. Груз массой 15 кг поднимают на высоту 2 м. Такой же массы груз тянут вверх по наклонной плоскости, прилагая силу F. Найди силу, приложенную к телу при подъеме (трение не учитывать).

Ответы

Автор ответа: ilowenikit

Дано:
m = 15кг
p ≈ 10Н/кг
s = 2 м
A - ?
Решение:
A = Fs; F=mp; A = mps
A = 15кг*10Н/кг*2м = 300 джоуль
Ответ: их пути и массы равны поэтому и работа будет одинаковаой
A = 300 Дж

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