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The vast majority of roller coasters do not have any form of braking on the train but rather forms of braking that exist on track sections. One notable exception is the scenic railway roller coaster, which relies on an operator to manually control the speed of the train. On most roller coasters, the brakes are controlled by a computer system. Chapter Challenge: Students modify the design of a roller coaster to meet the needs of a specific group of riders. Students use gravitational and potential energy to explain their observations of a ball rolling down an incline and a swinging pendulum. They investigate spring potential energy and explore the law of conservation of energy. Sep 14, 2019 · A roller coaster engineer is an integral part of a design team focused on constructing thrill rides for amusement parks. When developing a roller coaster, these engineers must consider several ...