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Posted by on Jan 16, 2016 in TellMeWhy |

What Is Gravity?

What Is Gravity?

When you toss a ball into the air, it comes down because it is pulled to earth by gravity. Gravity is a force that pulls all things on the earth toward the...

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Posted by on Oct 27, 2015 in TellMeWhy |

How Do Frisbees Fly?

How Do Frisbees Fly?

How Do Frisbees Fly? When a Frisbee soars through the air, its spinning motion is what keeps it flying. Operating on the principle of an airfoil — any flying object...

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