SR-37-Newtonian system

SR-37-Newtonian system - President of the Royal...

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The Newtonian World System Newton built his Principia on his three Laws of Motion (inertia; F = ma; action = reaction) and his Law of Universal Gravitation : every particle of matter attracts every other with a force proportional to the product of their masses and inversely proportional to square of the distance between them: F = Gm 1 m 2 /R 2 . Newton used these laws to derive Kepler’s laws of planetary motion and to account for deviations from them; to calculate orbits of comets; to explain the tides; and to calculate the Earth’s shape (bulging at equator, flattened at poles). The Principia was recognized as a masterwork and made Newton famous. He was named Warden (1696), then Master of the Mint (1701); elected
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Unformatted text preview: President of the Royal Society (1703); and knighted (1705). But Christiaan Huygens, G. W. Leibniz , and othersContinental natural philosophers complained that Newton had not explained the mechanical cause of gravitation, but only stated its mathematical law . Simply stating that ‘bodies attract’ was, they said, no explanation at all. Newton replied that he dealt with matters of fact—with observations and laws he had deduced from them—not with hypothetical causes. In the ‘General Scholium’ to the second edition of his Principia (1713), he declared that when it came to the cause of gravitation itself, ‘ Hypotheses non fingo ’ (‘I frame no hypotheses’)....
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