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A lawn roller is pulled along a horizont...

A lawn roller is pulled along a horizontal surface through a distance of `20 m` by a rope with a force of `200 N`. If the rope makes an angle of `60^@` with the vertical while pulling, the amount of work done by pulling force is

A

`4000 J`

B

`1000 J`

C

`2000 sqrtJ`

D

`2000 J`

Text Solution

Verified by Experts

The correct Answer is:
`(3)`
`W = vec F.vec S = FS cos theta`
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NARAYNA-WORK , ENERGY & POWER -EXERCISE -1 (H.W)
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  3. A lawn roller is pulled along a horizontal surface through a distance ...

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