1.

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 :

Answer»

`14hati-hatj+3hatk`
`7hati-8hatj+9hatk`
`2hati-3hatj+8hatk`
`14hati-38hatj+16hatk`.

ANSWER :B


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