Предмет: Физика, автор: Аноним

если трудно снять с пальца кольцо то руку смачивают мыльной водой.изменяется ли сила трения кольца о палец? Срочно!!

Ответы

Автор ответа: Аноним

0

Да сила трения уменьшится потому что мыльный раствор выполнят роль смазки. Сила жидкого трения меньше силы сухого трения.

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