Self Studies
Self Studies
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    What happens when a machine is lubricated with oil?

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    A body of mass 2 kg is being dragged on a rough horizontal plane with a uniform velocity of 2 m/s. The coefficient of friction between the body and the surface is 0.20, J = 4.2 J/cal and g = 9.8 m/s2. Calculate the amount of heat generated in 5 s.

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