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Gravitational Potential Energy

Two identical...

Question

Two identical spherical masses are kept at some distance. Potential energy when a mass $m$ is taken from the surface of one sphere to the other

A

increases continuously

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B

decreases continuously

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C

first increases, then decreases

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D

first decreases, then increases

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Solution

The correct option is C first increases, then decreases
Centre point is unstable equilibrium position where potential energy is maximum.
(c) first increases then decreases

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