Question

i give medals!
You use a lever to lift a heavy tree branch. You apply a force of 30 N and the lever lifts the branch with a force of 120 N. What is the mechanical advantage of the lever?

A. 2
B. 4
C. 90
D. 0.25

Answer 1

Mechanical advantage = multiplier of the force.

Answer 2

if i multiply it's a number much higher then the options.
is the equation load/effort? @RafaelNeumann

Answer 3

You can apply a force of 30 newtons, but the effective mechanical force of the lever is 120N, so your force was multiplied by what factor? this is the mechanical advantage, as the question calls.

Answer 4

so the answer would be 4, correct? @RafaelNeumann

Answer 5

It seems correct.