Newton, Isaac, Philosophia naturalis principia mathematica, 1713
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                  DE MOTU
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                  CORPORUM</s>
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                  <s>Si longitudo Cylindri augeatur vel minuatur: motus ejus ut &
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                  tempus quo quadruplum longitudinis ſuæ deſcribit, augebitur vel
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                  minuetur in eadem ratione; adeoque Vis illa qua motus auctus vel
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                  diminutus, tempore pariter aucto vel diminuto, generari vel tolli
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                  poſſit, non mutabitur; ac proinde etiamnum æqualis eſt reſi­
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                  ſtentiæ Cylindri, nam & hæc quoQ.E.I.mutata manet per Lem­
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                  ma IV.
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                  <s>Si denſitas Cylindri augeatur vel minuatur: motus ejus ut &
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                  Vis qua motus eodem tempore generari vel tolli poteſt, in eadem
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                  ratione augebitur vel minuetur. </s>
                  <s>Reſiſtentia itaque Cylindri cu­
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                  juſcunque erit ad Vim qua totus ejus motus, interea dum quadru­
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                  plum longitudinis ſuæ deſcribit, vel generari poſſit vel tolli, ut
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                  denſitas Medii ad denſitatem Cylindri quamproxime.
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                  Q.E.D.
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                  <s>Fluidum autem comprimi debet ut ſit continuum, continuum
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                  vero eſſe & non elaſticum ut preſſio omnis quæ ab ejus compreſſi­
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                  one oritur propagetur in inſtanti &, in omnes moti corporis partes
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                  æqualiter agendo, reſiſtentiam non mutet. </s>
                  <s>Preſſio utique quæ a
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                  motu corporis oritur, impenditur in motum partium fluidi gene­
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                  randum & Reſiſtentiam creat. </s>
                  <s>Preſſio autem quæ oritur a com­
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                  preſſione fluidi, utcunque fortis ſit, ſi propagetur in inſtanti, nul­
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                  lum generat motum in partibus fluidi continui, nullam omnino in­
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                  ducit motus mutationem; ideoque reſiſtentiam nec auget nec mi­
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                  nuit. </s>
                  <s>Certe Actio fluidi, quæ ab ejus compreſſione oritur, fortior
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                  eſſe non poteſt in partes poſticas corporis moti quam in ejus par­
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                  tes anticas, ideoque reſiſtentiam in hac Propoſitione deſcriptam
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                  minuere non poteſt: & fortior non erit in partes anticas quam in
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                  poſticas, ſi modo propagatio ejus infinite velocior ſit quam motus
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                  corporis preſſi. </s>
                  <s>Infinite autem velocior erit & propagabitur in in­
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                  ſtanti, ſi modo fluidum ſit continuum & non elaſticum.
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                  Corol.
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                  1. Cylindrorum, qui ſecundum longitudines ſuas in Mediis
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                  continuis infinitis uniformiter progrediuntur, reſiſtentiæ ſunt in ra­
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                  tione quæ componitur ex duplicata ratione velocitatum & dupli­
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                  cata ratione diametrorum & ratione denſitatis Mediorum.
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                    <emph type="italics"/>
                  Corol.
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                  2. Si amplitudo canalis non augeatur in infinitum, ſed Cy­
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                  lindrus in Medio quieſcente incluſo ſecundum longitudinem ſuam
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                  progrediatur, & interea axis ejus cum axe canalis coincidat: Reſi­
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                  ſtentia ejus erit ad vim qua totus ejus motus, quo tempore qua­
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                  druplum longitudinis ſuæ deſcribit, vel generari poſſit vel tolli,
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                  in ratione quæ componitur ex ratione
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                  EFq
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                  -1/2
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                  PQq
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