A force (hati-2hatj+3hatk) acts on a par...

A force `(hati-2hatj+3hatk)` acts on a particle lying at origin. What is the torque acting on the particle.

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Verified by Experts

Zero, `vectau=vec rxx vecF`, `vec r=vec0`
`:.vectau=vec0`
Hint. `vecr=vec0`

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