The Four Types of Friction

4 terms by surfergirll 

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Static Friction

when a force is applied to an object but it does not cause it to move
example: pushing on a wall

Fluid Friction

occurs when a object moves through a fluid, meaning either a liquid or gas
examples: skydiving, swimming

Sliding Friction

occurs when solid surfaces slide over each other
example:falling on the pavement

Rolling Friction

occurs when an object rolls over another (something with wheels or that is circular like a ball)
example: riding a motorcycle

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