Question

Define friction. Give a practical example of the same

Answer 1

${\huge{\boxed{\sf{\pink{❥⭐ Answer ⭐}}}}}$

It is that force that keeps a surface sliding with another surface. For example, if book is kept on floor and the book moves with respect to the floor. It is the frictional force between two surfaces that are rubbing against each other.

Answer 2

Answer:

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact. Wikipedia

E.g:-Rubbing both hands together to create heat.

A sled sliding across snow or ice.

Skis sliding against snow.

A person sliding down a slide is an example of sliding friction.