Sliding penny

A coin of mass \(3~\mbox{g}\) slides horizontally on the surface of a table. The frictional force exerted on the penny is \(0.0147~\mbox{N}\). What is the coefficient of friction between the table and the penny?

Details and assumptions

  • The acceleration of gravity is \(-9.8~\mbox{m/s}^2\).
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