Question #6426221Single Choice

Physics

Question

A 5 kg block is placed on a frictionless ramp that has an angle of 30° to the horizontal. If a constant force of 20 N is applied parallel to the incline to move the block up the ramp, what is the work done by gravity on the block while it moves 4 meters up the ramp?

Options

A
    -100 J
B
    -200 J
C
    100 J
D
    200 J

Answer & Analysis