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A force $\overrightarrow{F} = (5\hat{i} +3 \hat{j} +2 \hat {k})N$ is applied over a particle which displaces it from its origin to the point $\overrightarrow{r} = (2 \hat{i} - \hat{j})m$. The work done on the particle in joules is


( A ) $+13$
( B ) $+7$
( C ) $-7$
( D ) $+10$

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