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Comparison of Arstotle, Galileo Galilei, and Sir Isaac Newton

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Jiselle G

on 14 December 2012

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Transcript of Comparison of Arstotle, Galileo Galilei, and Sir Isaac Newton

Comparison of Aristotle, Galileo, and Isaac Newton How Their Contributions Changed Over Time Aristotle believed that natural laws could be understood by logical reasoning.

One of his assertions was that heavy objects necessarily fall faster than lighter objects.

His other assertion is that moving objects must necessarily have forces exerted on them to keep them moving. He stated:Experiment was superior to logic in uncovering natural laws. Galileo Developed his three Laws of Motion Sir Isaac Newton Galileo's contributions changed but not a whole lot. Sir Isaac Newton added to his work with his laws of motion
Newton's contributions never changed and they never will. His laws of motion still stands today.
Aristotle Aristotle's assertions were demolished by Galileo in his famous Leaning Tower of Pisa experiment, when he dropped objects of different weight, both fell toghether to the ground. Galileo showed that moving things, once in motion, stay in motion without the use of forces. he then called it inertia. Law 1 Every material object continues in its state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by force impressed upon it Law 2 The acceleration of an object is directly proportional to the net force acting on the object, is in the direction of the net force, and is inversal proportional to the mass of the object Law 3 Whenever one object exerts a force in a second object, the second object exerts an equal and opposite force on the first Aristotle's contributions changed because Galileo proved his assertions wrong. He did this by using experiments like the Leaning Tower of Pisa.
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