Three forces

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

Problem

Three forces

\hat{i} + 2\hat{j} - 3\hat{k}

2\hat{i} + 3\hat{j} + 4\hat{k}

and

\hat{i} - \hat{j} + \hat{k}

acting on a particle at the point

(0, 1, 2)

. The magnitude of the moment of the forces about the point

(1, -2, 0)

is (1)

2\sqrt{35}

(2)

6\sqrt{10}

(3)

4\sqrt{7}

(4) None of these