The work done by a force acting on a bod...

The work done by a force acting on a body is a shwon in the graph. The total work done in covering an initial distance of 20 m is

225J

200J

400J

175J

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The correct Answer is:

Work done W=area under F-S graph
= area of trapezium ABCD + area of trapezium CEFD
`=1/2xx(10+l15)xx10+1/2xx(10+20)xx5`
`=125+75=200J`

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