HURRY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Farmer Bob decides to use a compound pulley to raise a box up to the top of his barn.


What is the purpose of using a simple machine in this case?

Ato reduce the amount of friction

Bto reduce the distance the box has to travel

Cto reduce the amount of work needed to lift the box

Dto reduce the amount of force needed to lift the box