List of Lessons | Subjects

Understanding Friction

by Ron Kurtus (updated 16 March 2023)

Friction is a force that consists 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.

Friction Contents

Basics of friction

Friction Overview

Uses of Friction

Problems from Friction

Causes of Friction

Modes of Friction

Types of Friction

Standard Friction Equation

Sliding friction

Sliding Friction

Sliding Friction

Coefficient of Sliding Friction

Normal Force in Sliding Friction

Static Sliding Friction on an Incline

External Force and Sliding Friction

Reducing Sliding Friction

Lubricated Sliding Friction

Rolling friction

Rolling Friction or Resistance

Normal Force in Rolling Friction

Starting Rolling Motion

Coefficient of Rolling Friction

Rolling Friction and Automobile Tires

Traction Friction of Tires

Fluid friction

Fluid Friction

Factors in Changing Fluid Friction

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