Author:

sharma, ajay

Category:

Research Papers

Sub-Category:

Astrophysics

Language:

English

Date Published:

December 11, 2012

File:

/Research Papers-Astrophysics/Download/4418

Downloads:

928

Keywords:

N/A

Abstract:

Galileo ( 1564-1642) is alleged to have contradicted about 2000 years old assertion of Aristotle ( 384-322 BC) by demonstrating that all bodies fall equal distances in equal times in air (one fluid) . Thus Aristotle generalized the perception for all phenomena. Galileo maintained that as 1 pond shot and 10 pond shot strike the ground at same time then so all bodies falls equal distances in equal interval of time. Thus Galileo generalized his doctrine as all bodies fall at same rate. In other words all bodies fall with the same acceleration (which is precisely true in vacuum only). The acceleration and distance travelled are used by equation, S =at2/2. This demonstration used Aristotle’s assertion in proportionality form. But in view of current mathematical background and experimental data Aristotle’s assertion is as useful in explaining the falling bodies as Stokes law (enunciated in 1845 and largely confirmed in 1910). The reason being that mathematical form of Aristotle’s assertion simply reduces to Stokes law under some conditions. In this regard Aristotle’s assertion can be further useful if some experiments as suggested are successful.

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