Предмет: Физика, автор: marsuleyman

Малое плечо рычага равно 10 см, большое - 40 см ; на малое плечо действует сила в 100H. Какую силу надо приложить к большему плечу, чтобы уравновесить рычаг? Ответ выразите в ньютонах

Ответы

Автор ответа: iradaqx83
0

Дано:

l1=10 см

l2= 40 см

F1=100H

F1=-F2 (третий закон Ньютона)

40/x=10/100x=40*100/10=400H

вот

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