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The torque of a force vecF=-3hati+hatj+5...

The torque of a force `vecF=-3hati+hatj+5hatk` acting at a point is `vectau`. If the position vector of the point vector of the point is `7hati+3hatj+hatk`, then `vectau` is :

A

`14 hati-hatj+3 hatk`

B

`7 hati-8 hatj+9 hatk`

C

`2 hati - 3 hatj+8 hatk`

D

`14hat i-38 hatj+16 hatk`

Text Solution

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The correct Answer is:
D
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MODERN PUBLICATION-DESCRIPTION OF MOTION IN TWO AND THREE DIMENSION-Revision TEST
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