Roller Coaster: Task 2- Video Clip 1

I learned that most of the time the roller coasters are doing the spine-tingling stunts they are all applied solely because of gravity, potential energy, and kinetic energy. At the beginning of the ride, the roller coaster is lifted by a chain, which slowly pulls the roller coaster up the first hill, storing all the potential energy it needs. When the roller coaster gets to the top and is about to plunge down the first hill, that potential energy turns into kinetic energy.