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Question
State whether following statement are True or False.
Work done by a centripetal force is zero.
True or False
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Solution
This statement is true.
Explanation:
Centripetal force acts towards the centre of the circular path, while the instantaneous displacement is along the tangent. Since force and displacement are perpendicular, the work done by centripetal force is zero.
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Chapter 1: Force, Work, Energy and Power - 1.2 Graded Assignment [Page 18]
