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Find the torque of a force vecF=-3hati+h...

Find the torque of a force `vecF=-3hati+hatj+5hatk` acting at the point `vecr=7hati+3hatj+hatk` :

A

`14hati-38hatj+16hatk`

B

`4hati+4hatj+6hatk`

C

`-14hati+ 38hatj- 16hatk`

D

`-21hati+3hatj-5hatk`

Text Solution

Verified by Experts

The correct Answer is:
1
`vectau = vecr xx vecF`
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