Question

The diagram shows a ramp with a toy car at the bottom. A string attached to the front of the car and the string goes over a pulley at the top of the ramp. A weight is attached to the other end of the string. What would be most responsible for the toy being pulled up the ramp ?

A. Friction
B. Gravity
C. Kinetic energy
D. momentum

Answer 1

The answer would be Gravity.

Gravity is pulling the weight down, which is pulling the car up the ramp.