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Force, Work, Energy and Power — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsForce, Work, Energy and Power1 Mark
Question
Why is the work done on an object moving along a circular path zero?
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Answer

This is because at each point of the circular path, the displacement is perpendicular to the force, which is directed towards the centre, along the radius.

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