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Newton's Laws of Motion Project

5th Period Science: Mrs. Riley, 8th Grade GT. Created by: Revant Ranjan

revant ranjan

on 23 October 2012

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Transcript of Newton's Laws of Motion Project

Newton's Laws of Motion...
In Our World! The Kingda Ka Roller-coaster: Newton's Laws apply to many aspects of our world today, even roller coasters, such as the world's tallest one... The Kingda Ka! The Kingda Ka roller-coaster is made of steel, and has a height of 456 ft. It has a top-speed of 128 mph, and is the 2nd fastest roller-coaster in the world. The Kingda Ka is themed after a mythical tiger, and its entrance design is based on Nepali architecture. The seats of the coaster are decorated in tiger-print and each train on the coaster consists of 18 seats, 2 in each row. The maximum vertical achieved in this coaster is an astounding 90 degrees! The only other roller coaster in existence that is faster than the Kingda Ka is the Formula Rossa, located in Abu Dhabi, U.A.E., and has a maximum speed of 150 miles per hour. This coaster has been awarded many times, based on its death-defying height, speed, and drops. This entire ride lasts a total of 28 seconds once the roller-train leaves the station. Newton's Laws govern every aspect of this ride, from start to finish, let's see how they work... The First Law of Motion The First Law of Motion, or the law of Inertia, states that an object at rest, will stay at rest, and an object in motion will stay in motion, unless acted upon by another force. The Kingda Ka's train starts off in the station, staying still, due to the fact that it has balanced forces acting upon it; the force of gravity, and the reaction force of the train resting on the ground. As the launch track drags the train over the initial bend, the forces become unbalanced. The unbalanced force of the launch track's pull moves the train in the direction of the track's movement. Once the train moves off the first vertical bend, it continues in the direction it is moving around the track, until it is acted upon by the force of friction which slows it down, eventually to a stop. The train only stops when acted upon by another force. The Second Law of Motion states that an object will accelerate in the direction it is moved, and the greater the object's mass, the greater the amount of force required to move the object. The Second Law of Motion The Kingda Ka's movement directly applies to the Second Law of Motion based on its acceleration. As the riders enter the train and prepare for the ride, attendants must place a certain amount of people in each of the cars, as to monitor and maintain the mass of each train. The amount of force applied by the launch track is based on the mass of the train, which is kept fairly constant by the attendants. The train gains speed, as seen in the video, and continues in the direction it is pulled. The Third Law of Motion The Third Law of Motion states that for every action, there is an equal and opposite reaction. The magnitude of each force (action force, and reaction force) is equivalent. The application of the Third Law can be seen in the way the ride moves. When the wheels of the Kingda Ka push against the rails, the entire train moves forward. The action force of the pushing wheels meets the reaction force of the rails, which in turn pushes the entire train forward (As seen in the previous diagram).
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