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7. A body of mass 10 gram is moving with a constant velocity of4 cm/sec. on a frictionless table. Calculate the force on the table.

Answer»

F = m*g+ m*g*μk) = m*g(1+μk)

In frictionless situation μk = 0 Therefore

F = m*g = 0.010*9.806 = 0.09806 N

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