Assertion :A sphere is performing pure rolling on a rough horizontal surface with constant angular velocity,frictional force acting on the sphere is zero. Reason: Velocity of conduct point is zero.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
Assertion
A sphere is performing pure rolling on a rough horizontal surface with constant angular velocity, friction force acting on the sphere is zero.
Reason
Velocity of conduct point is zero.
Both are incorrect.

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Assertion :A sphere is performing pure rolling on a rough horizontal surface with constant angular velocity,frictional force acting on the sphere is zero. Reason: Velocity of conduct point is zero.

The correct option is D Both Assertion and Reason are incorrectAssertionA sphere is performing pure rolling on a rough horizontal surface with constant angular velocity, friction force acting on the sphere is zero.ReasonVelocity of conduct point is zero.Both are incorrect.

The correct option is D Both Assertion and Reason are incorrect
Assertion
A sphere is performing pure rolling on a rough horizontal surface with constant angular velocity, friction force acting on the sphere is zero.
Reason
Velocity of conduct point is zero.
Both are incorrect.