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The centre of gravity...

The centre of gravity

A

is the point where gravitational torque is zero

B

is the point where weight of a body acts.

C

coincides with centre of mass for same acceleration due to gravity for all particles.

D

all of above are correct

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The correct Answer is:
D
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  1. Torque is

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  2. The centre of gravity

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  3. The dimensional formula for angular momentum is

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  4. The centre of mass

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