Let a force F be acting on a body free to rotate about a point 0 and let \mathbf{r} the position vector of any point P on the line of action of the force. The torque (τ) of this force about point O is defined asτ=r×FGiven, F=(2i^+3j^-k^) N and r=(i^-j^+6k^) mFind the torque of this force.