Two forces and acting on a particle at move it to .Find the work done if the position…

PHYSICS · Subjective · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

Two forces

\mathbf{f}_1 = 3\hat{i} - 2\hat{j} + \hat{k}

and

\mathbf{f}_2 = \hat{i} + 3\hat{j} - 5\hat{k}

acting on a particle at

A

move it to

B

.Find the work done if the position vector of

A

and

B

are

-2\hat{i} + 5\hat{k}

and

3\hat{i} - 7\hat{j} + 2\hat{k}