The work done is defined as \( W=\int \vec{F} \cdot d \vec{r} \). It can be measured as area und....

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The work done is defined as \( W=\int \vec{F} \cdot d \vec{r} \). It can be measured as area under the force-displacement graph. It is a scalar quantity. The figure shows the variation of force and displacement.
Total work done is:
(1) \( 800 \mathrm{~J} \)
(2) \( 200 \mathrm{~J} \)
(3) \( 600 \mathrm{~J} \)
(4) \( 400 \mathrm{~J} \)


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