Answer to Question #315457 in Mechanics | Relativity for Figo

Question

An inclined plane is 100 m long and at an angle of 20 degrees * 10 * k * epsilon horizontal. The A*Lambda of the slope is two. Calculate: a) the effort required to push a 7200 N block up the slope b) the ideal mechanical advantage

c) the efficiency of the slope.

Answer 1

$T=F\sin \alpha=2500~N,$

$\eta=\tan 20°=0.36.$