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Let vecF be the force acitng on a parit...

Let `vecF` be the force acitng on a paritcle having positon vector `vecr and vecT` be the torque of this force about the origin. Then

A

`vecr.vecT =0 and vecF.vecT=0`

B

`vecr.vecT=0 and vecF.vecT ne 0`

C

`vecr.vecT ne 0 and vecF. vecT=0`

D

`vecr.vecT ne 0 and vecF. vecT ne 0`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Let vecF be the force acting on a particle having position vector vecr and vec(tau) be the torque of this force about the origin. Then

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    B
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  • Let vecF be a force acting on a particle having positon vector vecr. Let vecr be the torque of this force about the origin then

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