Question

A man uses a lever jack to lift a 2.00 x 10^3 kg car to change a tire. Each stroke of the jack lifts the car a distance of 5.00 x 10^-3 m. The vertical displacement of the handle is 0.75 m for each stroke. What is the mechanical advantage of the jack?
A) 175
B) 150
C) 1
D) 200

Answer 1

A 175 is the answer