Question

Joe has a set up in which the length of the load arm is 20cm and the length of the effort arm is 80cm. What is the mechanical advantage of the jack?

Answer 1

Mechanical Advantage =4

Answer 2

I am writing mechanical advantage as MA.

Given

Load arm = 20cm

Effort arm = 80cm

MA = ?

MA = Effort arm/Load arm

MA = 80/20

MA = 4(Ans)