Gassendi, Pierre, De motu impresso a motore translato epistulae duae, 1642

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    <archimedes>
      <text>
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          <chap>
            <p type="main">
              <s id="id.000542">
                <pb pagenum="64" xlink:href="027/01/071.jpg"/>
              quam magis, vel minùs diuturnæ; ob perſeueran­
                <lb/>
              tem ſemper attractionem, retractionemque æqua­
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              lem; & quòd aliunde continenter fiat compenſatio
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              inter vim mouentem reſiduam, & percurrendum re­
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              ſiduum ſpatium. </s>
              <s id="id.000543">Quî fit ergo vt vis continuò mi­
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              nüatur, decurtenturque continuò ſpatia, ac motus
                <lb/>
              ille denique ceſſet? </s>
              <s id="id.000544">Cauſam duplicem Galileus aſſi­
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              gnat. </s>
              <s id="id.000545">Altera eſt aër, qui in omni vibratione lapidi
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              nonnihil reſiſtat, atque idcircô impreſſam vim, ſiue
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              impetum nonnihil continuò refringat. </s>
              <s id="id.000546">Altera pon­
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              dus ipſius fili, omniumve eius particularum. </s>
              <s id="id.000547">Nam
                <lb/>
              quia quò filum eſt breuius, eò vibrationes, ſiue ex­
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              curſus, recurſuſque frequentiores ſunt; fac in longio­
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              re illo filo, quo appendiſti lapidem, appenſos eſſe ſin­
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              gulos lapillos ad ſingulos digitos; agnoſces illum, qui
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              erit appenſus ad primum digitum: niti vt recurrat, dum
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              qui erit appenſus ad ſecundum adhûc excurret; quare
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              & huius excurſum non-nihil decurtatum iri, propter
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              renitentiam, quæ ab illo fit; ac pari ratione decur­
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              tatum iri excurſum tertij, & conſequenter excurſum
                <lb/>
              quarti, ac cæterorum; adeò vt denique lapis infi­
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              mus exſiſtens, cogatur etiam nonnihil excurſum ſuum
                <lb/>
              decurtare, ob factam reſiſtentiam à lapillis ſingulis,
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              qui etiam tantò frequentiùs renitentur, quantò al­
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              tiores fuerint; videbiſque lapidem quaſi laborare, vt
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              ſeriem huiuſcemodi quaſi ſarcinularum non ſponte
                <lb/>
              abductarum, trahat. </s>
              <s id="id.000548">Non ſunto deinde lapilli, ſed
                <lb/>
              illorum loco habe totidem fili particulas: profectò
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              & illæ, cùm non-nihil pendant, lapillorum inſtar
                <lb/>
              ſunt, & pro ſarcinulis habentur; quæ impetum la-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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