A Blupete Biography Page

Newton's Law Of Universal Gravitation, Part 4 to the Life & Works of
Isaac Newton

Newton struck upon his theory of gravitation at the age of 23. Like most perfectionists Newton was cautious in his pronouncements, such that, the publication of this theory was not to take place until many years later.10

Newton's Law of Universal Gravitation has been described as follows: It is a force between any two bodies and is "directly proportional to the product of their masses and inversely proportional to the square of the distance between them. ... The measure of the force of gravitation on a given body on earth is the weight of that body." While certain of Newton's theories have not stood the tests applied in the 20th century, his law of universal gravitation has stood: "In the general theory of relativity, gravitation is explained geometrically: matter in its immediate neighborhood causes the curvature of the four-dimensional space-time continuum."

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2011