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प्रश्न
For the following scenario, state whether the work done by gravity is positive, negative, or zero.
A person climbs a ladder.
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उत्तर
Negative work is done.
Explanation:
When a person climbs a ladder (upward), the displacement covered by the person is opposite to the direction of the force of gravity (downward), so the work done on the person by the force of gravity is negative.
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