Did you know that roller coasters don’t have engines? That’s because they don’t need them!
Gravity is the force that pulls things to the ground. Roller coasters rely on gravity to take them to the end of the track. This involves two types of energy, potential energy and kinetic energy.
This is part of The World Around Us section of BBC Bitesize KS2 level. For more Bitesize content, head to bbc.co.uk/bitesize
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