Descartes, René, Renati Des-Cartes principia philosophiae

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    <archimedes>
      <text>
        <body>
          <chap>
            <pb pagenum="76"/>
            <p type="margin">
              <s>
                <margin.target id="marg549"/>
              LIX.
                <lb/>
              Corpus durum ab alio
                <lb/>
              duro impulſum, non
                <lb/>
              omnem ſuum motum
                <lb/>
              ab comutuari, ſed
                <lb/>
              partim etiam à fluido
                <lb/>
              circumjacente. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg550"/>
              25</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg551"/>
              30</s>
            </p>
            <p type="main">
              <s>
                <arrow.to.target n="marg552"/>
                <lb/>
              Supereſt tantùm hîc explicandum, cur paulò antè
                <lb/>
              non dixerim a, mutari abſolutè determinationem parti­
                <lb/>
              cularum
                <emph type="italics"/>
              a y u o
                <emph.end type="italics"/>
              , ſed mutari in quantum hoc requiritur,
                <lb/>
              ad motum corporis B non impediendum. </s>
              <s>Quippe
                <lb/>
                <arrow.to.target n="fig7"/>
              hoc corpus B non
                <arrow.to.target n="marg553"/>
                <lb/>
              celeriús moveri, quàm à
                <lb/>
              vi adventitià impulſum eſt,
                <lb/>
              quamvis ſaepe omnes par­
                <lb/>
              ticulae fluidi FD multo plus
                <lb/>
              habeant
                <arrow.to.target n="marg554"/>
              Hoc­
                <lb/>
              que unum eſt ex iis, quae nobis inter philoſophandum
                <lb/>
              proecipuè ſunt obſervanda, ut ne cui cauſae ullum ef­
                <lb/>
              fectum tribuamus, qui potentiam ejus excedat. </s>
              <s>Ita
                <lb/>
              ponentes corpus durum B, in medio fluidi ſD priús
                <lb/>
              immotum, nunc ab-externâ aliquà vi, exempli
                <arrow.to.target n="marg555"/>
                <lb/>
              à manu meâ, tardo motu impelli: cúm haec ſola im­
                <lb/>
              pulſio meá manûs ſit cauſa cur moveatur, credi non
                <lb/>
              debet ipſum celeriús moveri quàm impellitur; & quam­
                <lb/>
              vis omnes fluidi particulae multo celeriús moveantur,
                <lb/>
              non putandum eſt eas determinari ad motus
                <arrow.to.target n="marg556"/>
                <lb/>
                <emph type="italics"/>
              a e i o a
                <emph type="italics"/>
              &
                <emph.end type="italics"/>
              ayuoa
                <emph.end type="italics"/>
              & ſimiles, quae ſint celeriores hac im­
                <lb/>
              pulſione, ſed ipſas, quatenus celeriús aguntur,in qua­
                <lb/>
              ſlibet alias partes, ut priús, ferri b. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg552"/>
              LX.
                <lb/>
              Non poſſe tamen ab iſto
                <lb/>
              fluido majorem cele­
                <lb/>
              ritatem acquirere,
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              quàm habeat à duro,
                <lb/>
              à quo impulſum est. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg553"/>
              5</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg554"/>
              10</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg555"/>
              15</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg556"/>
              20</s>
            </p>
            <figure id="fig7" number="7"/>
            <p type="main">
              <s>
                <arrow.to.target n="marg557"/>
                <lb/>
              Atque ex his clarè percipitur, corpus durum undi­
                <lb/>
              que fluido cinctum, & in illo quieſcens, ibi
                <arrow.to.target n="marg558"/>
                <lb/>
              in aequilibrio conſiſtere; ac quantumvis ſit magnum,
                <lb/>
              ſemper tamen à minimâ vi poſſe in hanc vel illam par­
                <lb/>
              tem impelli: ſive illa vis aliunde adveniat, ſive in hoc
                <lb/>
              ſit ſita, quòd fluidum iſtud, totum ſimul, verſus </s>
            </p>
          </chap>
        </body>
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    </archimedes>