Physics, asked by taibachowdhury35, 5 months ago

Drive an expression for work done in moving a body over rough horizontal surface

Answers

Answered by Anonymous

1

Answer:

.friction force, f=μR=μmgcosθ

μ is the coefficient of the friction.

Net force in forward direction, F=mgsinθ−μmgcosθ

Let the distance travelled by the body is ,S.

work done, W=F.S

W=(mgsinθ−μmgcosθ).S

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