A Moving Particle Is Subject to Conservative Forces Only

question 58

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.

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