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The Physics of Sports at Chicago Public Library

Learn about the science of sports at the Richard M. Daley Branch of the Chicago Public Library. Explore Newton's Laws of Motion, conservation of momentum, reaction time, and more. Discover how physics explains the world of sports. Visit Fermilab for guided tours and Saturday Morning Physics.

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The Physics of Sports at Chicago Public Library

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  1. The Physics of SportsChicago Public LibraryRichard M. Daley Branch4 Aug 2016

  2. FAST Facility Fermilab Accelerator Science & Technology Facility

  3. What is Physics? • The science that studies: • Matter • Forces • Energy • Movement

  4. Physics explains things that are very, very small.

  5. Physics explains things that are very, very large.

  6. Physics explains things that are right in front of us.

  7. Isaac Newton’s Laws of Motion The First Law: • Objects at rest remain at rest • Objects in motion remain in motion UNTIL YOU APPLY A FORCE

  8. Isaac Newton’s Laws of Motion The Second Law: Force = Mass x Acceleration (F=ma) What forces are important in sports?

  9. Flight Path

  10. The Home Run Swing • Ball arrives on 100 downward trajectory • Alfonzo Soriano and Paul Konerko swing up at 250 • Ball takes off at 350 • If all conditions are right - home run! Adapted from A. Nathan, University of Illinois. http://www.npl.uiuc.edu/~a-nathan/pob/

  11. Isaac Newton’s Laws of Motion The Third Law: For every action there is an equal and opposite reaction.

  12. An Ollie in Skateboarding

  13. Conservation of Momentum If m1 = m2, then v1 = v2

  14. Equipment features • Ball material, size, shape, and texture • Properties of the club, bat, racquet, or stick

  15. How fast can you throw a ball?

  16. Momentum transferredEnergy stored and released David Rawlings, PGA Golf Professional http://golflessonslondon.wordpress.com/

  17. Hockey Slap Shot

  18. Pole Vault Progress http://ffden-2.phys.uaf.edu/211_fall2002.web.dir/Daniel_Lenord/vault.html

  19. Air Resistance (drag)

  20. FRICTION

  21. Resistance & Friction

  22. The Power of Spin

  23. Spins in Figure Skating

  24. Snowboarding http://www.fondosescritoriogratis.net/snowboard

  25. Reaction Time

  26. Downhill skier speed: 80 mph

  27. Reaction Time in Baseball Courtesy of R. Adair through A. Nathan.

  28. Measure your reaction time…

  29. Compare your reaction time… Equation used: t = √((2d)/g)

  30. Physical laws explain the world • Newton’s Laws of Motion • Conservation of Momentum These laws help us explain everything about sports. Physics really is everywhere!

  31. Learn more about your favorite sport at the library

  32. Visit Fermilab • Lederman Science Center • Guided tours • Saturday Morning Physics • Ask a Scientist • Bison viewing • Bicycling • Running/Walking • Roller blading • Fishing • Concerts • Public Events Learn more: www.fnal.gov On-line activities: www-ed.fnal.gov Public newsletter: www.fnal.gov/pub/science_next_door/

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