Предмет: Физика, автор: mregor19041

на брусок действует горизонтальная сила 1,5Н,при этом он движется по поверхности стола равномерно.Чему равно сила трения скольжения?

Ответы

Автор ответа: borz26

Согласно 2 закона Ньютона: ma=F-Fтр
Т.к. ускорение а=0(брусок движется равномерно), то Fтр=F=1,5 [H]

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