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CBSE Class 9 Answered

A body of mass M is moving in a circle of radius r with constant speed v. Calculate the work done
Asked by | 17 Mar, 2013, 11:25: AM
answered-by-expert Expert Answer
Since force applied is always perpendicular to the displacement of the body (force is along radius and displacement is along tangent) thus the work done is zero.
Answered by | 18 Mar, 2013, 12:30: AM
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