Question

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.

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.

Answer 2

The correct option is d. Mechanical energy remains unchanged.

The following information should be considered:

• The combination of potential energy and kinetic energy is known as the mechanical energy.
• In the case when there is the decrease in the potential energy so here the kinetic energy should be increased so the system should be balanced.

Learn more: brainly.com/question/17429689