What types of friction are involved in the movement of a roller coaster?

A few kinds of motions in a roller coaster are static friction, rolling friction and acceleration. Static friction is friction that occurs between two surfaces that aren't moving. Rolling friction is the friction that occurs between the wheels and the track.



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Real roller coasters lose energy to friction and air resistance, which limits the energy they have available to travel the rest of the track. Unbalanced forces cause the cart to accelerate according to Newton's second law, speeding up on the downhills and slowing down on the uphills.

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