The torque due to the force (2 i + j +2 k ) about the origin, acting on a particle whose position vector is ( i + j + k ) , would be

Step-by-step solution

aligned & = r F & = | array lll i & j & k 1 & 1 & 1 2 & 1 & 2 array | & = i (2-1)- j [0]+ k (1-2) & = i - k aligned