In this question, a statement of assertion is followed by …

Physics Work, Energy, Power and Collision Assertion & Reason MCQ (Single Correct)

In this question, a statement of assertion is followed by a statement of reason . Mark the correct choice as:

Assertion: The work done during a round trip is always zero.
Reason: No force is required to move a body in its round trip.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct answer is:

This is typically true only in the special case of constant force work so that

but need not be true if is not constant.

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