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how did kepler got its law? , how the value of G was calculated? and How weight can be zero?
asked Aug 21, 2014 in Physics by ankur-aggarwal (180 points)

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He and several around thousands of coworkers were involved in collecting data of Sky activity. They made records. Further scientists studied that and concluded what came ad law. They were applied and found to work.
Calculation made G come.
When body is free falling weight is zero. When g is zero weight is zero. When mass is zero weight is 0.
answered Sep 13, 2017 by giginailo (2,580 points)

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