When a body falls freely under gravity, its total mechanical energy:

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A Increases
B Decreases
C Remains constant
D First increases, then decreases

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Answer: C. Remains constant

Answer: c) Remains constant
Explanation: According to the Law of Conservation of Energy, while potential energy decreases and kinetic energy increases during a fall, their sum (total mechanical energy) stays the same throughout.

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When a body falls freely under gravity, its total mechanical energy:

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