Relativity Basis of a Theory of Relativity 1

Book Id: WPLBN0000685857
Format Type: PDF eBook
File Size: 494.85 KB.
Reproduction Date: 2005

Title:	Relativity Basis of a Theory of Relativity 1
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Language:	English
Subject:	Science., Physics, Physics--Research
Collections:	Physics Literature
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Citation APA MLA Chicago Relativity Basis of a Theory of Relativity 1. (n.d.). Relativity Basis of a Theory of Relativity 1. Retrieved from https://gutenberg.cc/

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Physics Literature

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Excerpt: To describe any phenomenon such as the motion of a body or the propagation of light, a definite frame of reference is required. A frame restricts the maximum consisting of a defined origin and three axes equipped with graduated rules and clocks. Bodies in motion then have definite positions and definite motions with respect to the base. The motion of planets is commonly described in the heliocentric system. The origin is defined as the mass center, and the three axes are chosen to point to three fixed stars to establish the fixed orientation of the axes. In general, the mathematical form of the laws of nature will be different in different frames. For example, the motion of bodies relative to the Earth may be described either in a frame with axes pointing to three fixed stars or in one rigidly fixed to the Earth. In the latter case, Coriolis forces arise in the equations of motion. There exist frames of reference in which the equations of motion have a particular simple form; in a certain sense these are the most ?natural frames of reference. They are the inertial frames in which the motion of a body is uniform and rectilinear, provided no forces act on it. In pre-relativistic physics the notion of an inertial systems was related only to the laws of mechanics. Newton's first law of motion is, in fact, nothing but a definition of an inertial frame.





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