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Gravity

Gravity. What is it?. http://www.fi.edu/pieces/cych/apollo%2010/story/hoi/ball3.html. http://www.fi.edu/pieces/cych/apollo 10/story/hoi/ball.html. Gravity is …. A natural force that pulls all objects toward the center of the earth. WHAT IS A FORCE?. A pull or a push on an object.

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Gravity

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  1. Gravity What is it? http://www.fi.edu/pieces/cych/apollo%2010/story/hoi/ball3.html http://www.fi.edu/pieces/cych/apollo 10/story/hoi/ball.html

  2. Gravityis… • A natural force that pulls all objects toward the center of the earth.

  3. WHAT IS A FORCE? A pull or a push on an object

  4. Which do you think would fall first? • A bouncyball Try It! Or a marble

  5. They fall at the same rate of speed, but the marble has more mass (weight) and so gravity makes it fall harder!Gravity has a stronger force on things with more mass!

  6. It takes a force to overcome gravity! Throw a bean bag in the air and then… Throw a basketball in the air. Which one was harder to throw?

  7. You had to use more force to throw the basketball because it has more mass (weight)

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