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Succeed in Understanding Friction

Friction is the study of the resistance to motion. It is a section in Mechanics and a subset of Physics.

The knowledge of friction is important for the development of the products we use. It is also an interesting and exciting subject of value in many walks of life. There is a great need for people who understand scientific principles and know how to think logically. Your knowledge and skills in these areas can help you excel in school, advance your career or improve your business.

The purpose of these free online lessons is to give you a start at improving your scientific knowledge of friction that will help you become a champion in physics. If you have any questions, send me an email.

New lesson: Sliding Friction



Contents


Basics of friction

Resistive Force of Friction

Uses of Friction

Causes of Friction

Coefficient of friction

Standard Friction Equation

Coefficient of Friction for Clean Surfaces

Coefficient of Friction for Greased Surfaces

Sliding friction

Sliding Friction

Sliding Friction on an Inclined Surface

Changing Sliding Friction on Hard Surfaces

Rolling friction

Rolling Friction

Role of Friction in Starting Rolling Motion

Rolling Friction and Automobile Tires

Traction Friction of Tires

Fluid friction

Changing Fluid Friction

(back to contents)

Resources

Friction Resources

Experiments and Science Fair Projects

Interactive Graded Tests

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