Suppose the mechanical advantage of a machine is 4 and the input force is 20 n. what is the output force?

An observer that stands still as the electron moves by him, will observe

Prompta snowboarder stands at the top of a hill and decides to see if he can increase his speed on his next trip down the slope.describe one thing the snowboarder could do to incrlase his speed on the slope. explain why this would cause his speed toincrease relate one of newton's laws to this problem.

Could someone me find the answer to this problem.