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Physics in roller coasters

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Rocio Sanchez

on 20 May 2013

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Transcript of Physics in roller coasters

PHYSICS IN ROLLER
COASTERS Luz M., Alejandra B., Salma G., and Rocio S. History and background
of roller coasters Physics behind roller coasters Psychological effects
on the passengers Safety of roller coasters "Applications of Circular Motion." The Physics Classroom. The Physics Classroom. Web. 07 May 2013. <http://www.physicsclassroom.com/Class/circles/u6l2b.cfm>.
Feeling "Weightless" When You Go "Over the Hump"" Weightlessness. N.p., n.d. Web. 08 May 2013. <http://hyperphysics.phy-astr.gsu.edu/hbase/mechanics/hump.html>.
"Introduction. Roller Coaster History. Ultimate Rollercoaster." Introduction. Roller Coaster History. Ultimate Rollercoaster. N.p., n.d. Web. 08 May 2013. <http://www.ultimaterollercoaster.com/coasters/history/intro/>.
"Riding Roller Coasters May Actually Be 'Death-Defying' For People With Heart Disease." Sciencedaily. About Science Daily, 18 Nov. 2005. Web. 08 May 2013. <http://www.sciencedaily.com/releases/2005/11/051118111404.htm>.
"Roller Coaster." Wikipedia.com. Wikimedia Foundation, Inc. 24 April 2013. Web. 07 May 2013. <https://en.wikipedia.org/wiki/Roller_coaster#Meuchanic>.
"Roller Coasters Designed by Ron Toomer, Arrow Dynamics." Coasters by Ron Toomer. N.p., n.d. Web. 09 May 2013. <http://www.ibiblio.org/darlene/coaster/toomer.html>.
“Scream Machines: the Science of Roller Coasters.” Carnegie Magazine. Carnegie magazine. 07 Jan 2001. Web. 16 May 2013 <http://www.carnegiemuseums.org/cmag/bk_issue/2000/sepoct/feat4.html>
“The Example of a Roller Coaster”. Diagram. physicsclassroom.com. 08 May, 2013. <http://www.physicsclassroom.com/Class/energy/u5l2b21.gif>
“What role do gravity and inertia play in making a roller coaster work?” Thinkquest. Thinkquest Project. 1999. Web 15 May 2013. <http://library.thinkquest.org/26455/amuse/roller/roller02.shtml>
Bullock, Carole. “Risks Of Riding Roller Coasters For People With Heart Disease”. Medical News Today. Medilexicon International Ltd. Web. 21 November 2005. <http://www.medicalnewstoday.com/releases/33777.php>
Gerstein, Julie. "A Real Rollercoaster of Death: The Euthanasia Coaster." Atlas Obscura. Atlas Obscura. 06 July 2011. Web. 08 May 2013. <http://www.atlasobscura.com/articles/real-rollercoaster-death-euthanasia-coaster>.
Harris, Tom. "How Rollercoasters Work." HowStuffWorks. HowStuffWorks.inc. Web. May 07, 2013. <http://science.howstuffworks.com/engineering/structural/roller-coaster9.htm>.
Pescovitz, David. "Roller Coaster Physics." Animation. kids.britanica.com. 08 May, 2013. <http://kids.britannica.com/coasters/ride.html>.
http://kids.britannica.com/coasters/physics/physics.gif (diagram)
Tyson, Peter. "All About G Forces." PBS. PBS, 01 Nov. 2007. Web. 16 May 2013. <http://www.pbs.org/wgbh/nova/space/gravity-forces.html>. Works cited Euthanasia coaster Designed in 2010
10 loops
First loop travels at 10 G-forces
Drop of approximately 500 meters The physics behind it... designed to kill its passengers No blood/ oxygen reaches the brain tense facial muscles limiting the passengers’ ability to breath “Whether the ride consists of an old wooden track with a few hills and turns, or a modern steel track with a variety of corkscrews and loops, all roller coasters rely on the conservation of energy” (Teachers Domain). Law of Conservation of Energy “energy can change form but it can not be created nor destroyed” (Teachers Domain) The law is observed during the initial drop of a roller coaster where potential energy is converted into kinetic energy. Throughout the ride, roller coasters convert the potential energy into kinetic energy and kinetic into potential as they climb hills and drop again Newton's Laws of Motion The First law of motion states that a body remains at rest or in motion with a constant velocity unless acted upon by an external force (Webster). Friction on a roller coaster Forces!! Gravity is “the driving force of a roller coaster” (Sastamoinen).
When a roller coaster is at the top of a hill the force of gravity is acting upon it by pushing it straight down.
Gravity controls the acceleration and deceleration of a roller coaster. Centripetal force is “a force that acts on a body moving in a circular path and is directed toward the center around which the body is moving”
This force occurs during the loops of a roller coaster.
The centripetal force (and seatbelts) is what keeps passengers on a ride from falling out of their seats during a loop by constantly changing their direction. The chance of a fatal injury at a theme park is one in 1.5 billion. Precautions include:
daily inspections
yearly maintenance
following of state regulations. Considerations:
height
weight
physical consequences the ride might have on the passenger Warning people that have heart and back issues, high blood pressure, or if they're pregnant, not to ride the roller coaster. rules:
keeping hands inside the coaster train
putting on any restraints (lap bars or seat belts)
remaining seated at all times Steel vs. Wooden coasters!!! steel roller coasters: stronger, faster, taller, smoother, and safer
-HowStuffWorks Same concepts of physics... (mentioned in "Physics behind Roller coasters" The 500 meter drop= REALLY high Kinetic energy! 10 G forces = more than what a passenger can withstand G forces: force acting on a body as a result of acceleration or gravity Sweat
Anxiety
Stomach Ache
Heartbeat Speeds Up "Weightless Sensation" "Weightlessness" occurs when the coaster is accelerating downwards with gravity. Velocity: One of the main forces, yet you can't feel it, you can only feel the change in it.
Circular and Linear Motion: Average Speed and Acceleration would be different because of the radius of the track.
Inertia: Keeping the roller coaster in movement when it is going uphill or leveled on the ground.
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