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If F is the force acting on a particle h...

If F is the force acting on a particle having position vector `vec r` and `vec tau` be the torque of this force about the origin , then,

A

`vecr.vecGamma=0 and vecF.vecGamma=0`

B

`vecr.vecGamma=0 but vecF.vecGamma!=0`

C

`vecr.vecGamma !=0but vecF.vecGamma=0`

D

`vecr.vecGamma!=0 and vecF.vecGamma!=0`

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The correct Answer is:
A
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HC VERMA-ROTATIONAL MECHANICS-Objective -1
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  2. A body is rotating uniformly about a vertical axis fixed in an inertia...

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