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Work and Energy — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWork and Energy2 Marks
Question
Is it possible that a force is acting on a body but still the work done is zero? Explain giving one example.
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Answer

Yes, it is possible that a force is acting on a body but still work done is zero. For example, in the case of a man pushing a wall, the work done is zero despite of non-zero force, since there is no displacement of the wall.

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