1.

A particle is acted upon by a force vec(F) = (hat(i) - 2hat(j) + hat(k))N. If the particle is at P(-1m, 2m, 3m), the torque of the force about Q(2m, 3m, 1m) is

Answer»

zero
`(hat(i) - 3 hat(J) + hat(K))N- m`
`(3 hat(i) + 5hat(j)+ 7hat(k)) N-m`
`(2 hat(i) + 3hat(j) - hat(k))N -m`

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