Question

Percy pulls on a rope that is held up by a pulley, like the one shown. The pulley is near the ceiling, and the other end of the rope is attached to a crate. Percy applies 75 N of force to the rope, and the rope lifts the crate by applying a force of 75 N.

what is the mechanical advantage of the machine

A 0
B 1
C 150
D 5625​

Answer 1

Answer:

B. 1 IS CORRECT ANSWER

Explanation:

PLEASE