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A man displaces a block by 5 m on a roug...

A man displaces a block by 5 m on a rough surface `(mu=(1)//(2))` by applying a force 50 N acting at `37^@` to the horizontal the work done by the applied force is

A

`200J`

B

`100J`

C

`150J`

D

`50J`

Text Solution

Verified by Experts

The correct Answer is:
A

Work done by the applied force is
`(50cos37^@)(5)=(50xx(4)/(5))(5)=200J`
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