Предмет: Физика, автор: katyam20001

Рассчитайте давление,которое оказывает на поверхность стола брусок массой 800г,если площадь опоры равна 20см в квадрате.

А)40

Б)0,4Па

В)4000Па

Г)400000Па

Ответы

Автор ответа: AnastasiyaKi
0
Р=F/S
F=0.8*10=8
P=8/0.2=40 
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