A) zero
B) \[\left( \frac{m{{v}^{2}}}{l} \right)2\pi l\]
C) \[mg.\,2\pi l\]
D) \[\left( \frac{m{{v}^{2}}}{l} \right)(l)\]
Correct Answer: A
Solution :
Work done by centripetal force in uniform circular motion is always equal to zero.You need to login to perform this action.
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