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A force $F = (5 \hat{i} + 3 \hat{j})$ newton is applied over a particle which displaces it from its origin to the point $r = (2 \hat{i} - 1 \hat{j})$ metres. The work done on the particle is

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detailed solution

Correct option is C

W=F→.s→=(5i^+3j^).(2i^−j^)=10−3=7J

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A force F=(5i^+3j^) newton is applied over a particle which displaces it from its origin to the point r=(2i^−1j^) metres. The work done on the particle is

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A force $F = (5 \hat{i} + 3 \hat{j})$ newton is applied over a particle which displaces it from its origin to the point $r = (2 \hat{i} - 1 \hat{j})$ metres. The work done on the particle is