Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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      <text>
        <body>
          <chap>
            <pb pagenum="431" xlink:href="010/01/439.jpg"/>
            <p type="main">
              <s id="s.002238">
                <arrow.to.target n="marg574"/>
                <lb/>
              non autem à defectu ponderis eius. </s>
              <s id="s.002239">Si enim ſuſpen­
                <lb/>
              dantur ex filis æquè longis duæ pilæ vna plumbea,
                <lb/>
              altera verò lignea quarum quælibet vnam vnciam̨
                <lb/>
              pendat tunc ſi æquè à perpendiculo remoueantur, ef­
                <lb/>
              ficient vibrationes æquitemporaneas, at continen­
                <lb/>
              tèr vndulationes ligneæ pilæ breuiores fiunt, dùm̨
                <lb/>
              breuiora ſpatia hinc inde, & diminuta percurriit, hìc
                <lb/>
              verò
                <expan abbr="cõſtat">conſtat</expan>
                <expan abbr="tarditatẽ">tarditatem</expan>
              ligni
                <expan abbr="nõ">non</expan>
              à defectu
                <expan abbr="põderis">ponderis</expan>
              , cum
                <lb/>
              vnius quoque vnciæ ſit, ſed ab amplitudine molis e­
                <lb/>
              ius, quatenùs ſua dilatata ſuperficie cogitur expelle­
                <lb/>
              re
                <expan abbr="ampliorẽ">ampliorem</expan>
              aeris molem è ſuo loco, quem euidentiſ­
                <lb/>
              ſimum eſt reſiſtere expulſioni, vt flabello, & alijs in­
                <lb/>
              numeris modis experimur. </s>
              <s id="s.002240">Sed præterea ſuademur,
                <lb/>
              quod non à
                <expan abbr="põdere">pondere</expan>
              aucto celeritas eius motus in flui­
                <lb/>
              do augetur; ſi enim ſupponamus ingens nauigium̨
                <lb/>
              æquè velocitèr per maris ſuperficiem excurrere, ac
                <lb/>
              linter, manifeſtum eſt ea nullam grauitatem exercere
                <lb/>
              tranſuerſaliter dum in aqua
                <expan abbr="innatãt">innatant</expan>
              . </s>
              <s id="s.002241">adueniat poſtea
                <lb/>
              impedimentum externum, v. g. plures homines ſuis
                <lb/>
              viribus conentur impedire, & firmare curſum prædi­
                <lb/>
              ctorum inæqualium nauigiorum, procùl dubio ener­
                <lb/>
              gia vnius hominis tantùm ſiſtere, & ob firmare pote­
                <lb/>
              rit lintrem, cùm è contrà nauis illa
                <expan abbr="ingẽs">ingens</expan>
              æquè velox,
                <lb/>
              ac nauicula
                <expan abbr="nõ">non</expan>
              poſſit impediri, neque velocitas eius
                <lb/>
              omninò extingui ab ingenti conatu, & repulſu
                <expan abbr="centũ">centum</expan>
                <lb/>
              hominum: cauſa huius diuerſiratis oſtenſa fuit in no­
                <lb/>
              ſtro opere de vi percuſs. </s>
              <s id="s.002242">pendetque ab energia vir­
                <lb/>
              tutis motiuæ expanſæ per vniuerſam molem nauigij
                <lb/>
              prægrandis, quæ tam multiplex eſt virtutis motiuæ </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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