Question: A body of mass 100 𝑔 is rotating in a circular path of radius 𝑟 with constant velocity. The work done in one complete revolution is
(A) 100 𝑟𝐽
(B) (𝑟/100)𝐽
(C) (100/𝑟)𝐽
(D) Zero
Answer: option (D)
Solution:
A body of mass 100 𝑔 is rotating in a circular path of radius 𝑟 with constant velocity. The work done in one complete revolution is
with
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