how do simple machines make work easier

Question

A. they increase the distance over which a force is needed, doing more work with less force
B. they magnify the force being applied, thereby decreasing the work they can do with no extra energy exerted by the person using the machine
C. they reduce the amount of force needed to move an object to do the same amount of work
D. they decrease the distance needed between a person and an object allowing the person to apply more force and do more work

Answer 1

C. they reduce the amount of force needed to move an object to do the same amount of work