1.It is an force that opposes motion between two surfaces having each other.
2.this friction occurs in stationary objects or objects that rest. It prevents an object from moving on a surface.
3.It is also called dry friction. It occurs when two objects rub or slide against each other
4. When objects like balls or tires of vehicles roll over surfaces.
5. Friction that occurs when an object moves through a fluid which can be a liquid or a gas.
"Rolling Friction , Static Friction , Sliding Friction , friction , force"

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