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What Happened To The Tacoma Narrows Bridge
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What Happened To The Tacoma Narrows Bridge

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Transcript

  • 1. By David Neil Daniell Gravity Trials
  • 2. Explaining Gravity Trials
    • I am trying to find out how gravity effects mass. What I’m going to do is compare objects with different masses. I am going to time the object when I drop it, measure the height I dropped it from, and divide distance and time.
  • 3. Trial 1!
    • 1 st Trial I’m going to take to take a soccer ball and drop it The height was 100 cm. The time was 1.36 seconds. The speed was 73 cm per second.
  • 4. Trial 2!
    • The 2 nd Trial I used a baseball and dropped it from 100cm. The time was .55 seconds. The speed was 155 cm per second.
  • 5. Trial 3!
    • The 3 rd Trial I am going to use a rubber ball. The height is 100cm. The time was 1.03 seconds. The speed was 116 cm per second.
  • 6. Conclusion
    • The bigger the mass the more gravity takes effect on the object.
  • 7. This is my Flip Video! Enjoy!
  • 8. My project presentation is finished! The End
  • 9. Resources
    • Book: Force and Motion
    • www.Wikipedia.com
    • www.ask.com
  • 10. Other Facts About Gravity
    • When certain stars stop shining it eventually collapses. If a star is three times bigger than the sun when it collapses it will form a object called a black hole. Black holes have the strongest pull of gravity. Its so strong that even light, the fastest thing in the universe, can not escape.

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