Question

A pulley system has a mechanical advantage of 3, and an object weighing 9 Newtons must be lifted 15 meters. How much force must be applied to lift the object?
Use the following equation to find the answer:

MA=F_(o)/F_(i)


(1 point)
Responses

1.7 N
1.7 N

27 N
27 N

3 N
3 N

0.3 N

Answer 1

MA = F_o / F_i, so F_i = F_o / MA = 9 N / 3 = 3 N.

Answer: 3 N.