FRICTION, is an everyday force created by to surface by two surfaces interacting, FORCES, are pushes or pulls that act in a specific direction, GRAVITY, cause all object to fall towards the ground, STATIC FRICTION, acts when the object rests on a surface, SLIDING FRICTION, acts when an object slides on a surface, ROLLING FRICTION, acts when an object is rolling on a solid surface, FLUID FRICTION, occurs when an object is moving through fluid, either liquids or air.

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