Statement I : A ring moving down on a smooth inclined plane will be in slipping motion.
Statement II: Work done by friction in pure rolling motion is zero

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If both statements are TRUE and statement 2 is correct explanation of statement 1

If both statements are TRUE and statement 2 is not the correct explanation of statement 1

If statement 1 is TRUE and statement 2 is FALSE

If statement 1 is FALSE but statement 2 is TRUE

answer is C.

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Detailed Solution

For smooth surface body moving in downward direction for rolling motion contact point between surface and particle on ring always on rest $(τ = 0)$
Work done against friction is zero.

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