The potential energy for the entire ride is usually introduced in a large initial climb that is converted to kinetic energy on the first-and often sharpest-drop. On a traditional roller coaster, gravity powers much of the trip.
Found mostly in amusement parks as a continuous loop, it is a popular leisure activity. Roller coaster, elevated railway with steep inclines and descents that carries a train of passengers through sharp curves and sudden changes of speed and direction for a brief thrill ride. This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.