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Find the torque of a force vec F =-3hati...

Find the torque of a force `vec F =-3hati +hatj +5hatk` acting a point `vec r =7hati + 3hatj+hatk. (x= vec r xx vec F)`

A

`14 hat i`

B

`4 hati + 4 hat j + 6 hat k`

C

`14 hati - 38 hat j +16 hat k`

D

`- 21 hati + 3 hat j +5 hat k`

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The correct Answer is:
A
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