The Discovery of Dynamics: A Study from a Machian Point of View of the Discovery and the Structure of Dynamical Theories
Oxford University Press, 06/09/2001 - 784 من الصفحات
Ever since Newton created dynamics, there has been controversy about its foundations. Are space and time absolute? Do they form a rigid but invisible framework and container of the universe? Or are space, time, and motion relative? If so, does Newton's 'framework' arise through the influence of the universe at large, as Ernst Mach suggested? Einstein's aim when creating his general theory of relativity was to demonstrate this and thereby implement 'Mach's Principle'. However, it is widely believed that he achieved only partial success. This question of whether motion is absolute or relative has been a central issues in philosophy; the nature of time has perennial interest. Current attempts to create a quantum description of the whole universe keep these issues at the cutting edge of modern research. Written by the world's leading expert on Mach's Principle, The Discovery of Dynamics is a highly original account of the development of notions about space, time, and motion. Widely praised in its hardback version, it is one of the fullest and most readable accounts of the astronomical studies that culminated in Kepler's laws of planetary motion and of the creation of dynamics by Galileo, Descartes, Huygens, and Newton. Originally published as Absolute or Relative Motion?, Vol. 1: The Discovery of Dynamics (Cambridge), The Discovery of Dynamics provides the technical background to Barbour's recently published The End of Time, in which he argues that time disappears from the description of the quantum universe.
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acceleration according actually already appears Aristotle astronomy attempt body called cause celestial centre century Chap circle circular motion clear clearly collision completely concept consider Copernican Copernicus correct corresponding defined definition Descartes described determined direction discovery discussion distance dynamics earth eccentricity effect equal evidence exactly example existence explain expression fact fall final fixed follows force frame Galileo geometry give given gravity Huygens idea important inertia interesting Kepler later least less mass mathematical matter means measure mind moon motion move nature Newton noted observations orbit original particular passage period philosophical physical planetary planets position possible precise Principia principle problem Ptolemy question reason reference relative remains remarkable respect rest result rotation scheme seems seen sense shows significant simple space speed stars theory things true uniform universe
الصفحة 26 - To every action there is always opposed an equal reaction: or, the mutual actions of two bodies upon each other are always equal and directed to contrary pans.
الصفحة ix - I wish we could derive the rest of the phenomena of Nature by the same kind of reasoning from mechanical principles, for I am induced by many reasons to suspect that they may all depend upon certain forces by which the particles of bodies, by some causes hitherto unknown, are either mutually impelled towards one another, and cohere in regular figures, or are repelled and recede from one another.