A Moving Particle Is Subject to Conservative Forces Only.

Question 69
Multiple Choice

A moving particle is subject to conservative forces only.When its kinetic energy decreases by 10 J,what happens to its mechanical energy? A)It increases by 10 J. B)It decreases by 10 J. C)It increases,but not necessarily by 10 J. D)It decreases,but not necessarily by 10 J. E)It remains the same.