What is Friction?
The force that opposes the relative motion or tendency of two surfaces in contact is known as friction.
There are several types of friction that result from the interactions between the microscopic irregularities of the surfaces i.e.,
- Static Friction
- Kinetic Friction
- Rolling Friction
- Fluid Friction
- Dry Friction
Note: The roughness, composition, and force forcing the surfaces together determine how much friction there will be.
Read More about Types of Friction.
Formula for Friction
As we know, friction is a force that opposes moving one surface in contact with another or the tendency for something to move. The formula for calculating the force of friction is:
F = μN
Where,
- F is the friction force,
- μ is the coefficient of friction, and
- N is the normal force.
Laws of Friction
Friction is a fundamental force that affects our everyday lives. When we slide a book across a table or walk on a slippery surface, friction comes into play. There are various laws which govern the phenomenon of friction such as Amonton’s and Columnb’s Laws. In this article, we will discuss all the laws which help us understand the concept of Friction.
Table of Content
- What is Friction?
- What are Laws of Frictions?
- Amonton’s Law of Friction
- Some Other Laws
- Solved Problems on Laws of Friction