How do roller coasters work?

Answer by  GeneWeen (120)

Roller coasters are usually belt propelled. The belt keeps running and it makes the cars go. The belt is run by some sort of engine.

Answer by  eyeguy (3760)

Many roller coasters today rely on pure gravity and magnets. The magnetic force is strong enough to not only keep the cars on the track but push and pull the cars along at high speeds

Answer by  felishar03 (32)

Roller coasters or designed to run off the conversion of two different energy's also several different types of wheels help maintain the speed and movement of the coaster.

Answer by  geekgirl (153)

Roller coasters use chains under the cars to pull them up the hills and are guided down the falls by the rails.