125k views
15 votes
A lever was used to life heavy rock. The input force was 150 N and the output force was 500 N. What was the mechanical advantage of the pulley?

A lever was used to life heavy rock. The input force was 150 N and the output force-example-1

1 Answer

9 votes
MA = fo / fi = 500 N / 150 N = 3.3. So C.
User Calvin Godfrey
by
5.6k points