Assertion: Work done by or against force of friction in mov…

Physics System of Particles Rotational Motion NCERT MCQ (Single Correct)

Assertion: Work done by or against force of friction in moving a body through any round trip is zero. Reason: Kinetic friction is a non ‐ conservative force.

If both Assertion and Reason are True & the Reason is a correct explanation of the Assertion.

If both Assertion and Reason are True but Reason is not a correct explanation of the Assertion.

If Assertion is True but the Reason is False.

If both Assertion and Reason are False.

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The correct answer is:

Both are false as work done by friction on sliding is non zero.

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