What forces do engineers need to consider when designing amusement park rides?

Potential and Kinetic Energy It helps the car's weight maintain momentum as it flies down the track. Other forces try to diminish that energy, such as friction and air resistance, but engineers design coasters to be resilient against these factors.



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Gravity and inertia are big players when it comes to how you experience the ride. The force of gravity is measured in g-forces. Most of the time, you are experiencing 1 g, the normal force gravity exerts on you. However, motion can change how you experience the force of gravity.

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To provide the most exciting, yet safe, ride possible, an engineer must have an excellent understanding of force, gravity, motion, momentum, and potential and kinetic energy. The basic roller coaster shape (a series of progressively smaller hills) has been used since the roller coaster was created in the 1400s.

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What 2 things must engineers consider when designing a roller coaster? Some of these things are the layout of the ride, how tall and fast they want it to be, and most importantly, safety. They use lots of math and physics in order to make their design, and know that it will be safe and work.

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First, they learn that all true roller coasters are completely driven by the force of gravity and that the conversion between potential and kinetic energy is essential to all roller coasters. Second, they consider the role of friction in slowing down cars in roller coasters.

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A roller coaster is a machine that uses gravity and inertia to send a train of cars along a winding track. The combination of gravity and inertia, along with g-forces and centripetal acceleration give the body certain sensations as the coaster moves up, down, and around the track.

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Roller coasters are driven almost entirely by inertial, gravitational, and centripetal forces. There are three main components to the typical roller coaster: chain lift, catapult-launch lift, and the brakes. The chain lift is the component that pulls all the carts to the “top” of the roller coaster.

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Safety is the Amusement Park Industry's No. 1 Priority
  • Obey listed age, height, weight, and health restrictions.
  • Observe all posted ride safety rules, and follow all verbal instructions given by ride operators or provided by recorded announcements.
  • Keep hands, arms, legs and feet inside the ride at all times.


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There must be at least one hill, one loop AND one turn. Your roller coaster also needs to be safe for the public.

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Variables an engineer might consider to change the force experienced by the rider include, heightening the coaster, added loops or sharp turns and/or increasing the mass of the cars.

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These drastic changes in accelerations are the cause of much of the thrill (and the occasionally dizziness) experienced by coaster riders. To understand the feelings of weightlessness and heaviness experienced while riding through a loop, it is important to think about the forces acting upon the riders.

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For a roller coaster, gravity pulls down on the cars and its riders with a constant force, whether they move uphill, downhill, or through a loop. The rigid steel tracks, together with gravity, provide the centripetal force needed to keep the cars on the arching path as they move through the loop.

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The problem: Even the slightest imperfection in track alignment can cause excess physical strain on riders' bodies. A roller coaster that cannot be ridden - that has to be a builder's worst nightmare. Safety is the top priority. Nonetheless, designers strive to provide riders with new and greater thrills.

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In fact, according to the latest data from the International Association of Amusement Parks and Attractions, there were 1,356 ride-related injuries in 2013. With that being said, if the proper precautions aren't taken, a fun day at the park can become a disaster in a matter of seconds.

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This force can be the force of gravity when the roller coaster is moving down then there is an equal and opposite body pushing the body upwards. The forces don't cancel each other and act on different bodies. The force of gravity acts on the roller coaster while the opposite reaction force acts on the track.

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A few kinds of motions in a roller coaster are static friction, rolling friction and acceleration. Static friction is friction that occurs between two surfaces that aren't moving. Rolling friction is the friction that occurs between the wheels and the track.

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The force of gravity pulling a roller coaster down hill causes the roller coaster to go faster and faster, it is accelerating. The force of gravity causes a roller coaster to go slower and slower when it climbs a hill, the roller coaster is decelerating or going slower.

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