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Professor John Goree & Lou Datilio

Professor John Goree & Lou Datilio. Gravity Weight Falling in Space: Microgravity (Weightlessness). Q. What keeps you from floating out of your chair, when you are seated?. A. Gravity. Q. Why does everything dropped (here, the apples) fall downward?. A. Gravity.

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Professor John Goree & Lou Datilio

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  1. Professor John Goree & Lou Datilio • Gravity • Weight • Falling • in Space: Microgravity (Weightlessness)

  2. Q. What keeps you from floating out of your chair, when you are seated? A. Gravity

  3. Q. Why does everything dropped (here, the apples) fall downward? A. Gravity All things attract one another

  4. Falling Pictures taken (at regular intervals) of a ball falling

  5. Falling All objects fall at the same speed (without air resistance)

  6. Demonstration: quarter and feather

  7. Falling Throwing a ball at different speeds

  8. Falling Throwing it hard enough might make it go into orbit around the earth

  9. Demonstration: Java applet www.physics.uiowa.edu/~stille/ (Fowler’s Physics Applets)

  10. Weight

  11. Demonstration: weight on a bathroom scale

  12. Weight Weight and Weightlessness inside an elevator

  13. Weightlessness: • inside a falling elevator • in a spacecraft, They are alike, because both are falling

  14. Video: free fall

  15. Weightlessness astronauts inside their spacecraft

  16. Space Station months Space shuttle <17 days Sounding rockets 10 min KC-135 20 sec Drop towers 5 sec Vomit Comet Weightlessness “Microgravity” = “Weightlessness”

  17. Microgravity Parabolic airplane flights =vomit comet

  18. Spacecraft: Mir Space Station Mir: Spring, 2000

  19. International Space Station “ISS”

  20. ISS - Assembly Sequence 1998 - 2006

  21. International Space Station

  22. International Space Station Space Shuttle

  23. Video - Space Shuttle launch

  24. Demonstration cars Video Astronauts in Space Shuttle

  25. Demonstration: basketball Video: basketball in space

  26. Microgravity projects at the Univ. of Iowa Physics Dept.

  27. 1999 - Parabolic flight tests • 2000-01 - ISS • Dec. 2000 - launch • 2001 - the 1st physical sciences • experiment on ISS PKE flight hardware with 1st & 3rd ISS crews PKE - Plasmakristall Experiment Germany, Russia, U.S.

  28. PKE accommodation Zvezda (Russian Service Module) ISS - assembly 1R July 25, 2000

  29. Inside Zvezda

  30. Inside Zvezda

  31. Inside Zvezda

  32. PKE logo

  33. PKE • Launched: • on Russian Progress rocket • from Baikonur, Kazakhstan • March, 2001 • Will be done: • end of 2001 • hardware will go through destructive re-entry

  34. Demonstration: Screen up Water balloon

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