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Potential Energy In Roller Coasters

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The change in form between potential and kinetic energy continues throughout

the roller coaster ride. Each time the cars ascend a hill, some kinetic energy converts into potential energy. Then, some of this potential energy converts back each time the cars descend.A pie chart shows how energy changes back and forth between potential energy and kinetic energy throughout a ride.
A force called friction actually takes away some of the cars’ total mechanical energy during the ride. Friction results from objects touching as they move past each other.In a roller coaster ride, friction occurs between the cars’ wheels and the surface of the track. The mechanical energy taken away by friction does not disappear. Instead, it gets transferred from the

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