Question

Laura pushes on the pedals of her bike

Answer 1

Answer: 2

Explanation:- Mechanical advantage is the ratio of the output force to the input force.

Mechanical advantage=$\frac{\text {output force}}{\text {input force}}$

Given:

Input force = 320 N

output force= 640 N

${\text {Mechanical advantage}}=\frac{640N}{320N}=2$