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Question

When you have to increase the potential energy of an object then

A
You have to do positive work against gravity
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B
gravity has to do positive work against you
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C
Gravity should not do work
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D
Positive work has to be done against you
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Solution

The correct option is A You have to do positive work against gravity
Work done by internal conservative forces = - Δ P.E, so if work done by gravity is negative, then potential energy increases

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