Let a force →F be acting on a body free to rotate about a point O and let →r be the position vector of any point P on the line of action of the force. Then torque →τ of this force about point O is defined as :
→τ=→r×→F
Given, →F=(2^i+3^j−^k) N and →r=(^i−^j+6^k) m. Find the torque of this force.