Types of Friction

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it comes into contact with another surface.

Front

What are the two main types of friction?

Back

The two main types of friction are static friction and kinetic (or sliding) friction.

Front

What is static friction?

Back

Static friction is the force that keeps an object at rest and prevents it from starting to move.

Front

What is kinetic friction?

Back

Kinetic friction is the force that opposes the motion of an object that is already sliding over a surface.

Front

What is sliding friction?

Back

Sliding friction occurs when two solid surfaces slide over one another.

Front

What is fluid friction?

Back

Fluid friction occurs when an object moves through a fluid (liquid or gas), such as air or water.

Front

Is air resistance a type of friction?

Back

Yes, air resistance is a type of fluid friction.

Front

What is the effect of surface texture on friction?

Back

Rough surfaces generally create more friction than smooth surfaces.

Front

How does weight affect friction?

Back

In general, the greater the weight of an object, the greater the frictional force acting on it.

Front

What is the role of lubrication in friction?

Back

Lubrication reduces friction between surfaces, allowing them to move more easily.