Assertion :Friction is necessary for a body to roll on the surface. Reason: Friction provides the necessary tangential force and torque.

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Friction acting on the body provides tangential force which produces necessary torque to rotate the body so that the body can roll on the surface. Thus both assertion and reason are correct and reason explains the assertion very well.

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