Welcome to the 1520 Perfect Dictionary
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| Center of mass | |
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| CENTER OF MASS Definition: (American) The point in a system such that the sum of the products of the masses and distance to that point = 0. The system interacts with external forces as if all its mass were concentrated at that point. ___________________________________ See perfect point (7). See perfect particularity (1). See perfect system (2). | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |