JEE Main Physics question

Physics Laws of Motion JEE Main

**Statement I:** Force is required to move a body uniformly along a circle. **Statement II:** When the motion is uniform, acceleration is zero.

(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 ICorrect
(C)Statement I is true, Statement II is false
(D)Statement I is false, Statement II is true

Answer: (B)

Solution

Even at constant speed, a body moving in a circle needs a centripetal force (to continuously change the direction of its velocity), so Statement I is true. Statement II, read as a general statement about uniform

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Question ID VK-153389