![]() ![]() The climb up the first hill is accomplished by a lift or cable that pulls the train up. ![]() ![]() Have you ever wondered how roller coasters stay on their tracks and why people can hang upside down in them? It’s all a matter of physics: energy, inertia, and gravity.Ī roller coaster does not have an engine to generate energy. Prints & Photographs Division, Library of Congress. Roller coaster, Seaside Heights, New Jersey. Gravity is counteracted by centripetal force, due to acceleration, which is the force that pushes you into your seat.
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