Предмет: Физика, автор: abidat1122

Рабочий поднимает кирпичи с помощью подвижного блока на высоту 7 м. На какое расстояние перемещается свободный конец веревки?

Ответы

Автор ответа: tana20101997
2
Подвижный блок дает выигрыш в силе в 2 раза и проигрыш в расстоянии в 2 раза. Ответ 2*7=14 м
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