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: At the center of earth, a body has center of mass, but no center of gravity.
Reason: Acceleration due to gravity is zero at the center of earth.

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:

: At the center of earth, . Therefore, a body has no weight at the centre of earth; and have

no center of gravity (center of gravity of a body is the point where the resultant force of attraction or the weight of the body acts). But center of mass of a body depends on mass and position of particles and is independent of weight.

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