Physics, asked by aryansah3022, 1 year ago

Find an expression for the work done against friction when a body is made to slide up an inclined plane

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Answered by physicsGuruDev
62
from the figure it is clear that
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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