Home Physics System of Particles Rotational Motion Assertion & Reason In this question, a statement of assertion …
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: The center of mass of a body may lie where there is no mass.
Reason: Centre of mass of a body is a point, where the whole mass of the body is supposed to be concentrated.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true but reason is not the correct explanation of assertion.
C
If assertion is true but reason is false.
D
If assertion is false but reason is true.

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Text Solution

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The correct answer is:
B

: As the concept of center of mass is only theoretical, therefore, in practice, no mass may lie at

the center of mass. For example, center of mass of a uniform circular ring is at the center of the ring where there is no mass.

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