force F on a partical moving in a straig...

force `F` on a partical moving in a straight line veries with distance `d` as shown in the figure. The work done on the partical during its displacement of `12 m` is

A

`21 J`

B

`26 J`

C

`13 J`

D

`18 J`

Text Solution

Verified by Experts

The correct Answer is:

C

Work done = Area under `(F-x)` graph
`= 2 xx (7 - 3) + (1)/(2) xx 2 xx(12 - 7)`
`= 8 + (1)/(2) xx 10 = 8 + 5 = 13 J`

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