Kinematics Question 752

Question: A body of mass 100 g it’s rotating in a circular path of radius r with constant velocity. The work done in one complete revolution it’s [AFMC 1998]

Options:

A) 100 rJ

B)$ (r/100)J $

C) $ (100/r)J $

D)Zero

Show Answer

Answer:

Correct Answer: D

Solution:

Work done in circular motion is always zero.



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