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Find the torque of a force vecE= -3hati ...

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

A

`14hati-38hatj+16hatk`

B

`vecr=-2hati+4hatj+4hatk`

C

`4hati-4hatj+6hatk`

D

`-14hati+38hatj-16hatk`

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