A stone is held at a height h above the ground.A second stone with four times the mass of the first one is held at the same height.The gravitational potential energy of the second stone compared to that of the first stone is
A)one-fourth as much.
B)one-half as much.
C)twice as much.
D)four times as much.
E)the same.

Question

Quizplus · Accepted Answer

Gravitational potential energy is directly proportional to both mass and height. Since the second stone has four times the mass of the first stone, its gravitational potential energy is four times as much. Therefore, the answer is D, four times as much.

A Stone Is Held at a Height H Above the Ground.A