Baliani, Giovanni Battista, De motv natvrali gravivm solidorvm et liqvidorvm

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          <chap type="bk">
            <subchap1 type="preface">
              <subchap2 type="preface">
                <p type="main">
                  <s id="s.000957">
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                  priorem proportione, ut sint impetus in sub­
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                  duplicata ratione spatiorum peractorum; ut
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                  in quinta secundi huius: Unde
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                  data minori
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                  actione, facile metieris maiorem, percipiens
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                  quantane ea sit, ex qualibet proveniens altitu­
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                  dine.</s>
                  <s id="s.000958">Quod
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                  item sequitur in quavis percus­
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                  sione seu a securi, seu a quolibet ad percutien­
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                  dum idoneo naturaliter moto; trabes siqui­
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                  dem, seu pali longiores, fortius in terram pan­
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                  guntur, quo fistuca non modo est ponderosior,
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                  sed altius effertur, tali ratione, ut altitudines
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                  in duplicata proportione, percussionum viri­
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                  bus respondeant. </s>
                  <s id="s.000959">Si vero securis a motore
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                  impellatur, validius percutit; quoniam motus
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                  in initio, est celerior ab impulsu, quam a gra­
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                  vitate; cuius perseverante actione, maior pro­
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                  ducitur impetus, unde motus celerior, & ictus
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                  validior, etiam nulla concurrente gravitate,
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                  ut si motus non deorsum sed ad latera tendat,
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                  aut sursum. </s>
                  <s id="s.000960">Unde
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                  quo malleus a pariete re­
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                  motior in eum fortius impellitur, clavus ma­
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                  gis figitur, & longe facilius quam si omnibus
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                  adhibitis viribus, malleum contra clavum com­
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                  primas.</s>
                  <s id="s.000961">Unde
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                  etiam est, quod mobile vehe­
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                  mentius impulsum, expulsum demum, in
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                  quodcumque illidat, validius ferit, & intimius
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                  intruditur, quod in ictu a funda, arcu, sclopo
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                  passim videre est. </s>
                  <s id="s.000962">Huius autem vim impulsus pon­</s>
                </p>
              </subchap2>
            </subchap1>
          </chap>
        </body>
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