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- 1. Roller CoasterPhysics &History<br />By: Ben Dworecki<br />
- 2. What I will talk about<br />
- 3. Physics<br />Gravity:<br />The force that moves the train.<br />Potential Energy:<br />The amount of energy stored as the train increases in height.. <br />http://ffden-2.phys.uaf.edu/211_fall2002.web.dir/shawna_sastamoinen/roller_coasters.htm<br />
- 4. Physics Cont’d<br />http://ffden-2.phys.uaf.edu/211_fall2002.web.dir/shawna_sastamoinen/roller_coasters.htm<br />Velocity:<br />The rate in which the train changes position. <br />Kinetic Energy:<br />The energy contained because of its motion.<br />K=½mv²<br />
- 5. Physics contd.<br />Friction:<br />Causes the train to slow down<br />Centripetal Acceleration<br />The force that you feel when you go through twists, turns, and loops (G- Forces)<br />http://ffden-2.phys.uaf.edu/211_fall2002.web.dir/shawna_sastamoinen/roller_coasters.htm<br />
- 6. G-Forces (Centripetal Forces)<br />Positive G’s:<br />When the body feels heavier<br />Bottom of hills, turns, loops, and twists<br />Negative G’s:<br />When the body feels weightless<br />Top of hills with narrow top, or bunny hops.<br />http://ffden-2.phys.uaf.edu/211_fall2002.web.dir/shawna_sastamoinen/roller_coasters.htm<br />
- 7. http://adventure.howstuffworks.com/roller-coaster7.htm<br />
- 8. G-forces affect on the body-Positive<br />Positive G’s make your body feel 2x’s your body weight<br />160 lbs<br />2 G’s= 320<br />3 G’s= 640<br />The body can not handle over 8 G’s<br />Black outs<br />“Black outs are the worse thing for you, your head goes blank and if your out too long there is a possibility of death” (Sean Tucker, Aerobics pilot, Discovery Chanel) <br />http://ffden-2.phys.uaf.edu/211_fall2002.web.dir/shawna_sastamoinen/roller_coasters.htm<br />
- 9. G-forces affect on the body-Negative<br />Negative G’s makes your body feel weightless<br />Float above your seat<br />Bunny hops<br />Steepest drop<br /> No real restriction on negative G’s<br />Only nausea<br />http://ffden-2.phys.uaf.edu/211_fall2002.web.dir/shawna_sastamoinen/roller_coasters.htm<br />
- 10. Types of roller coasters<br />Sit down<br />Seated in a train<br />Suspension<br />Feet dangling<br />http://adventure.howstuffworks.com/roller-coaster8.htm<br />
- 11. Types of roller coasters cont’d<br />Stand up<br />Standing on the train<br />Flying<br />Superman style<br />http://adventure.howstuffworks.com/roller-coaster8.htm<br />
- 12. History of Roller Coasters<br />Russia in the 1600’s<br />Made of ice<br />Used sleds<br />Ice<br />Wood<br />America 1884<br />Made by railway companies to increase business on the weekends.<br />http://www.essortment.com/all/historyrollerc_puc.htm<br />
- 13. History cont’d.<br />1884, first gravity roller coaster<br />Coney Island, New York<br />1898, first loop<br />Too strong of forces<br />http://www.essortment.com/all/historyrollerc_puc.htm<br />
- 14. History cont’d<br /><ul><li>1929, roller coasters put on hold
- 15. The Great Depression</li></ul>1950, first steel roller coaster<br />Two steel tubes used as the track<br />Larger lighter steel tubes used for support<br />http://www.ultimaterollercoaster.com/news/archives/2002/<br />http://www.essortment.com/all/historyrollerc_puc.htm<br />
- 16. History Cont’d<br /><ul><li>1975, first looped roller coaster</li></ul>Magic Mountain, Cali.<br />2002, roller coaster hits 104 mph and heights up to 420 ft.<br />http://www.essortment.com/all/historyrollerc_puc.htm<br />
- 17. Top Thrill Dragster<br />
- 18. Advancements-New roller coasters<br />Steele tracks<br />Smoother ride<br />Safer<br />More speed<br /> Greater thrill<br />Inversions<br /> Sharp turns<br />Loops<br />Cork-screws<br />http://ffden-2.phys.uaf.edu/211_fall2002.web.dir/shawna_sastamoinen/roller_coasters.htm<br />
- 19. Advancements-Older roller coasters<br />Wooden Track:<br />Bumpy rides<br />Less speed<br />No brakes within the ride<br />Too many hills<br />Many G’s<br />Bunny hops<br />http://www.angelfire.com/nj3/coaster5/history.html<br />
- 20. Inversions<br />Batwing<br />(http://www.faculty.uaf.edu/ffdjw/211/2007/heimerl/corkscrew.html)<br />Bowtie<br />
- 21.
- 22. Inversions<br />Cobra Roll<br />(http://www.carnegiemuseums.org/cmag/bk_issue/2000/sepoct/feat4.html)<br />Butterfly<br />
- 23.
- 24. Inversions<br />Dive Loop<br />Fly-to-Lie<br />(http://www.carnegiemuseums.org/cmag/bk_issue/2000/sepoct/feat4.html)<br />
- 25.
- 26. Inversions<br />Flying Snake Dive<br />Immelmann Loop<br />(http://www.coasterforce.com/Inversions)<br />
- 27.
- 28. Inversions<br />Inclined Loop<br />Inline Twist<br />(http://www.coasterforce.com/Inversions)<br />(http://library.thinkquest.org/TQ0313004/physicsofrollercoasters.html)<br />
- 29.
- 30. Inversions<br />Inverted Top Hat<br />Lie-to-Fly<br />(http://www.coasterforce.com/Inversions)<br />(http://www.faculty.uaf.edu/ffdjw/211/2007/heimerl/corkscrew.html)<br />
- 31.
- 32. Inversions<br />Norwegian Loop<br />Pretzel Loop<br />(http://www.coasterforce.com/Inversions)<br />(http://www.carnegiemuseums.org/cmag/bk_issue/2000/sepoct/feat4.html)<br />
- 33.
- 34. Inversions<br />Raven Turn<br />Roll Over<br />(http://library.thinkquest.org/TQ0313004/physicsofrollercoasters.html)<br />(http://www.coasterforce.com/Inversions)<br />
- 35.
- 36. Inversion<br />Sea Serpent<br />Twisting Dive<br />(http://www.coasterforce.com/Inversions)<br />(http://library.thinkquest.org/TQ0313004/physicsofrollercoasters.html)<br />
- 37.
- 38. Inversions<br />Vertical Loop<br />Zero-G Roll<br />(http://www.coasterforce.com/Inversions)<br />(http://www.snowboardcoaster.20fr.com/photo3.html)<br />
- 39.
- 40. Physics of a Corkscrew<br />Corkscrew<br />Velocity<br />Needs speed to make it through the inversion<br />Centripetal Force<br />Keeps the train on the track<br />Acceleration<br />As trains moves down the loop it increases acceleration<br />(http://www.funderstanding.com/coaster)<br />(http://library.thinkquest.org/TQ0313004/physicsofrollercoasters.html)<br />
- 41.
- 42. Physics of Bunny Hops<br />Negative/Positive G’s<br />Body float over your seat<br />Body slams back down at bottom of the hill<br />Potential Energy<br />Top of the hill the greatest<br />Kinetic Energy<br />Highest at the bottom of the hill<br />(http://www.rollercoastermedialibrary.com/DVDC.html)<br />
- 43. How a roller coaster worksKinetic/Potential Energy<br />(http://www.howstuffworks.com/roller-coaster.htm)<br />
- 44. How a roller coaster worksKinetic/Potential Energy Cont’d<br />(http://www.howstuffworks.com/roller-coaster.htm)<br />
- 45. How a roller coaster worksKinetic/Potential Energy Cont’d<br />(http://www.howstuffworks.com/roller-coaster.htm)<br />
- 46. How a roller coaster worksKinetic/Potential Energy Cont’d<br />(http://www.howstuffworks.com/roller-coaster.htm)<br />
- 47. How a roller coaster worksKinetic/Potential Energy Cont’d<br />(http://www.howstuffworks.com/roller-coaster.htm)<br />
- 48. How a roller coaster worksKinetic/Potential Energy Cont’d<br />(http://www.howstuffworks.com/roller-coaster.htm)<br />(http://library.thinkquest.org/2745/data/ke.htm)<br />

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