What happens to mechanical energy if the potential energy of an object decreases?

A. Mechanical energy decreases. B. Mechanical energy increases.

C. Mechanical energy increases and then decreases. D. Mechanical energy remains unchanged.

Question

Physics

Dewey

7 June, 03:38

What happens to mechanical energy if the potential energy of an object decreases?

A. Mechanical energy decreases. B. Mechanical energy increases.

C. Mechanical energy increases and then decreases. D. Mechanical energy remains unchanged.

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Answers (1)

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Arabella Wade · Answer 1

D. Mechanical energy remains unchanged.

Mechanical energy = Potential energy + Kinetic energy

So if potential energy decreases, then kinetic energy must increase so that the system is balanced.

What happens to mechanical energy if the potential energy of an object decreases?A. Mechanical energy decreases. B. Mechanical energy increases.C. Mechanical energy increases and then decreases. D. Mechanical energy remains unchanged.

What happens to mechanical energy if the potential energy of an object decreases?

A. Mechanical energy decreases. B. Mechanical energy increases.

C. Mechanical energy increases and then decreases. D. Mechanical energy remains unchanged.