An object of mass m follows a circular path of radius r with a constan – McqOptions

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1.	An object of mass m follows a circular path of radius r with a constant speed v in uniform circular motion. Then, the work done by the centripetal force for the object to move once in a full circle is
A.	\((MV^2/r).2r\)
B.	Zero
C.	\((Mv^2/r).2\pi r\)
D.	\((MV^2/r).2\pi r\)
Answer» C. \((Mv^2/r).2\pi r\)

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