A force acts on a body and displaces it in it's direction. The graph shows the relation between the force and displacement. The work done by the force is:

420 J

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360 J

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840 J

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720 J

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Solution

The correct option is C $360 J$
Work done by force $= \int F . d s$ $=$ Area under $F - s$ graph
$= A r e a o f △$

$= \frac{1}{2} \times b a s e \times h e i g h t$

$= \frac{1}{2} \times (14 - 2) \times 60$

$= 360 J$

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