Potential+Energy

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A train of cars on a gravity-powered roller coaster has more potential energy raised above the ground at the top of a hill than it has after falling to the earth along the hill's inclined track.

By extension, the higher the lift hill, the greater the potential energy.

Potential energy may be converted into energy of motion, called kinetic energy.

Beyond this point, as gravitation gives the car velocity, the potential energy is transferred into kinetic energy.