What is static friction?

What is static friction?

The frictional force that develops when two objects are at rest relative to each other is called static friction.

Static friction is the friction between two surfaces that aren't moving relatively to each other. When a force is applied to an object, but it does not cause it to move then static friction works. When a massive body on a floor is pulled by a force but it does not move, then the frictional force created is called force of static friction.

The static frictional force is developed opposite to the applied force and acts until motion is produced. When two bodies at rest are in contact with one another and one body is made to move on the other body the friction produced between them until a relative motion is created is called static friction.