A particle located at m is subjected to a force N

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

A particle located at

(2,3,-1)

m is subjected to a force

\vec{F}=4\mathbf{i}-\mathbf{j}+2\mathbf{k}

N. Find the magnitude of the torque about the origin. (a)

\sqrt{269}\ \text{N m}

(b)

\sqrt{189}\ \text{N m}

(c)

\sqrt{221}\ \text{N m}

(d)

\sqrt{285}\ \text{N m}