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Find the torque of a force (7 hati + 3ha...

Find the torque of a force `(7 hati + 3hatj - 5hatk)` about the origin. The force acts on a particle whose position vector is `(hati - hatj + hatk)`.

A

`2hati+12hatj-10hatk`

B

`hati+12hatj+10hatk`

C

`hati+10hatj+10hatk`

D

`2hati+12hatj+10hatk`

Text Solution

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The correct Answer is:
D
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