A particle moves from a point $-2\hat{i} + 5\hat{j}$ to $4\hat{j} + 3\hat{k}$ when a force of $4\hat{i} + 3\hat{j}$ N is applied. How much work has been done by the force?

Question

Dr. Abubacker · Accepted Answer

[Solution] Displacement = $2\hat{i} - \hat{j} + 3\hat{k}$; W = 8 - 3 + 0 = 5 J. Answer (3).

Q. A particle moves from a point $-2\hat{i} + 5\hat{j}$ to $4\hat{j} + 3\hat{k}$ when a force of $4\hat{i} + 3\hat{j}$ N is applied. How much work has been done by the force?

Explanation

Reviewed by Dr. Abubacker

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