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Question

Three different bowling balls are placed equal distances above the surface of the Earth. The relative masses of the bowling balls are; m1 > m2 > m3. Which bowling ball has the greatest gravitational potential energy?

A. m1

B. m2

C. m3

D. The gravitational potential energy is the same for each ball.

E. Cannot be determined.

Answer 1

M1.  Gravitational potential energy is directly related to mass, so the higher the mass the higher the potential energy.

Answer 2

gravitational potential energy is given by the equation:

PE = mgh

With g and h the same, the ball with the greater mass has the greater PE.