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

Physics System of Particles Rotational Motion 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: A particle moving on a straight line with a uniform velocity, its angular momentum is always zero.
Reason: The momentum is constant when particle moves with a uniform velocity.

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

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The correct answer is:

: As a particle is moving with uniform velocity, therefore its linear momentum ( ) is

constant.
But about a point off the line of motion, the moment of momentum i.e. angular momentum can be non-zero.
Reason is false because the momentum is a constant and not zero.

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