Meanest Foundations and Nobler Superstructures: Hooke, Newton and the Compounding of the Celestiall Motions of the PlanettsSpringer Science & Business Media, 31 de jul. 2002 - 239 pàgines This book is a historical-epistemological study of one of the most consequential breakthroughs in the history of celestial mechanics: Robert Hooke's (1635-1703) proposal to "compoun[d] the celestial motions of the planets of a direct motion by the tangent & an attractive motion towards a centrat body" (Newton, The Correspondence li, 297. Henceforth: Correspondence). This is the challenge Hooke presented to Isaac Newton (1642-1727) in a short but intense correspondence in the winter of 1679-80, which set Newton on course for his 1687 Principia, transforming the very concept of "the planetary heavens" in the process (Herivel, 301: De Motu, Version III). 1 It is difficult to overstate the novelty of Hooke 's Programme • The celestial motions, it suggested, those proverbial symbols of stability and immutability, werein fact a process of continuous change: a deflection of the planets from original rectilinear paths by "a centraU attractive power" (Correspondence, li, 313). There was nothing necessary or essential in the shape of planetary orbits. Already known to be "not circular nor concentricall" (ibid. ), Hooke claimed that these apparently closed "curve Line[ s ]" should be understood and calculated as mere effects of rectilinear motions and rectilinear attraction. And as Newton was quick to realize, this also implied that "the planets neither move exactly in ellipse nor revolve twice in the same orbit, so that there are as many orbits to a planet as it has revolutions" (Herivel, 301: De Motu, Version III). |
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Frases i termes més freqüents
1st Interlude anti-realism applied area law argument Astronomia Nova astronomical Attempt attraction body Cambridge celestial mechanics centrifugal force centripetal force Chapter claim clock concept construction context correspondence curve demonstrate Descartes diagram distance earth ellipse encurvation epistemological Essays experimental experiments Explication Figure fluid Galileo Gandt geometrical gravity grid Hacking Hacking's harmony Herivel Hooke's Law Hooke's Programme horology Huygens hypothesis inflection Introduction inverse square inverse square law ISBN isochrony Kepler Longitude Timekeeper M.W. Wartofsky eds mathematical metaphor Micrographia microscope Motu move natural Newton observation ontology orbit parabola pendulum phenomena Philosophy of Science planetary motion planetary orbits planets Potentia presents Principia problem produce propositions question R.S. Cohen eds realism rectilinear motion refraction relations representations Robert Hooke Rorty Rorty's Royal Society Scientific solid spring structure suggests Synthese Library tangent tension term theoretical trajectory universal gravitation University Press velocity Westfall Westfall's
Referències a aquest llibre
The Emergence of a Scientific Culture : Science and the Shaping of Modernity ... Stephen Gaukroger Previsualització limitada - 2006 |
Thinking with Objects: The Transformation of Mechanics in the Seventeenth ... Domenico Bertoloni Meli Previsualització limitada - 2006 |