Friction occurs when two material bodies in contact slide past one another.
Yes, in general friction can occur in a vacuum, but the only kind of friction that doesn't occur in a vacuum is, of course, air friction. There is no drag force on an object falling in a vacuum.
friction affects in any Circumtances
Air friction, traction.
During softball the types of friction that occurs if rolling friction
Fluid Friction, & Rolling Friction.
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Sliding Friction Occurs When And Object Is Being Slided On The Ground
Some friction will occur with seemingly smooth surfaces because at a molecular level, nothing is smooth.
This would be sliding friction and it could happen when:run on the floor
Static friction occurs when moving parts consist of ball bearings.