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