Roller Coasters are one of the most popular amusement devices in use throughout the world. In their most basic form, roller coasters consist of a track system in which a car or train rolls under the force of gravity. The major design constraints of roller coasters are determined by the level of force and acceleration that the human body can safely withstand. These forces are commonly measured in multiples of the Earth’s gravitational acceleration, and are termed “G” forces.

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