JEE Main Physics question

Physics Laws of Motion JEE Main

**Statement I:** Linear momentum of a body changes even when it is moving uniformly in a circle. **Statement II:** In uniform circular motion, velocity remains constant.

(A)Statement I is true, Statement II is true; Statement II is a correct explanation for Statement I
(B)Statement I is true, Statement II is true; Statement II is not a correct explanation for Statement I
(C)Statement I is true, Statement II is falseCorrect
(D)Statement I is false, Statement II is true

Answer: (C)

Solution

In uniform circular motion the speed is constant but the direction of velocity keeps changing, so momentum (a vector) changes

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Question ID VK-153377