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Galileo vs Aristotle

The Theories
by

Mehak Preet Kaur

on 15 October 2012

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Transcript of Galileo vs Aristotle

Galileo V/S Aristotle 15 February 1564 – 8 January 1642 (Age: 78) Galileo Galilei, was an Italian physicist who played a major role in the Scientific Revolution. Galileo studied natural forces and also conducted theoretical and experimental work on the motions of bodies. Galileo put forward the basic principle of relativity, that the laws of physics are the same in any system that is moving at a constant speed in a straight line, regardless of its particular speed or direction. Hence, there is no absolute motion or absolute rest. This principle provided the basic framework for Newton's laws of motion. Galileo's Law of Fall & Inertia:


The way projectiles actually move



The way Aristotle thought projectiles moved Galileo's Experiment of Falling Bodies:
Galileo climbed all of 352 steps of the Leaning Tower of Pisa where he took up with him two balls each with a different weight. Once he was at the top, he dropped both balls to see which would land first. Even though their weights were not the same, they hit the ground at the same time. From this experiment, Galileo found that objects fall to the ground at the same rate (regardless of weight) unless things like air resistance change the rate. Findings went against the views of Aristotle, and was ignored by most people as Aristotle’s view was still accepted as correct until Isaac Newton proved Galileo was right. This then led to Newton creating the Law of Gravity. Aristotle (384–322 B.C.E.) was a Greek philosopher who numbers among the greatest philosophers of all time. Aristotle's theory of motion was different than Galileo's. He believed that there were two kinds of motion called Natural motion and Violent motion. He also believed that objects fell faster than others because of their size and mass. Therefore, if two balls were dropped from the same height, the bigger and heavier one would hit the ground first. Natural Motion:
This idea said that objects seek their natural places. For example, he believed that because smoke rose, its element was air. Or because stones fell, their element was the Earth. Violent Motion:
This idea said that any motion that requires a force is a Violent Motion. For example, pushing a book along a table, or lifting a book. The way Aristotle believed objects fall on the Earth The way objects actually fall to Earth Thank You For Listening A Presentation By Mehak Preet Kaur & Neelam Mistry
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