# Work and Energy - Force of Friction and Kinetic Friction

Not what you're looking for?

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?

##### Purchase this Solution

##### 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.

##### Purchase this Solution

##### Free BrainMass Quizzes

##### Basic Physics

This quiz will test your knowledge about basic Physics.

##### Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

##### Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

##### Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

##### Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.