A body is displaced from to under a constant force

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A body is displaced from rA=(2i^+4j^−6k^) m\mathbf{r}_A=(2\hat{i}+4\hat{j}-6\hat{k})\ \text{m} to rB=(6i^−4j^+2k^) m\mathbf{r}_B=(6\hat{i}-4\hat{j}+2\hat{k})\ \text{m} under a constant force F=(2i^+3j^−k^) N\mathbf{F}=(2\hat{i}+3\hat{j}-\hat{k})\ \text{N}. Find the work done.

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