1.

The force 7 hati + 3hatj - 5hatk acts on a particle whose position vector is hati - hatj + hatk . What is the torque of a given force about the origin ?

Answer»

`2 HATI + 12 HATJ + 10 hatk`
`2 hati + 10 hatj + 12 hatk`
`2 hati + 10 hatj + 10 hatk`
`10 hati + 2hatj + hatk`

ANSWER :A


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