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Can you put a name to this well-known law of physics? Add a comment with your answer and you could win an accessory customized with this formula! Here are the regulations: http://bit.ly/PhysicalLaw pic.twitter.com/vsXIU6tg6T
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This is the formula for the universal gravitational law which defines a reciprocal force between two masses only attractive directed as the the line that connects the two points
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