Friday, December 4, 2009

If I dropped the Earth onto the Moon, how fast would it fall? If I dropped the Moon onto the Earth, how fast?

would it fall?If I dropped the Earth onto the Moon, how fast would it fall? If I dropped the Moon onto the Earth, how fast?
Look up Newton's equation for universal gravitation, and you'll find the magnitude of the force between them.





The attractive force depends on the masses of the two objects and the square of the distance between them, so it doesn't matter which one is ';falling'; toward the other.

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