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The potential energy of a system increases if work is done

The potential energy of a system increases if work is done

Options

(a) upon the system by a non conservative force
(b) by the system against a conservative force
(c) by the system against a non conservative force
(d) upon the system by a conservative force

Correct Answer:

upon the system by a conservative force

Explanation:

When work is done upon a system by a conservative force then its potential energy increases.

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