# Work and Energy - Force of Friction and Kinetic Friction

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Question: A box of mass m = 20.0 kg is pushed at a constant speed of v = 2.5 m/s, and by a force F = 25.0 N along the horizontal plane. Show the algebraic steps:

a) What is the force of friction between the box and the surface?

b) What is the value of the coefficient of kinetic friction?

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#### Solution Summary

This solution provides the basic algebraic work which needs to be completed in order to solve both parts of this problem regarding the force of friction and kinetic friction. The solution is brief as this is all that is required for the components being asked for in this question.

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