JEE Main Physics question

Statement 1: Power developed in uniform circular motion is always zero. Statement 2: Work done in case of uniform circular motion is zero.

(A)Assertion is True, Reason is True; Reason is correct explanation for AssertionCorrect
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is False
(D)Assertion is False, Reason is True

Answer: (A)

Solution

In uniform circular motion, the centripetal force is always perpendicular to the velocity, so it does zero work at every instant;

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Question ID VK-154179