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

Table of figures

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000188">
                <pb pagenum="41" xlink:href="010/01/049.jpg"/>
                <arrow.to.target n="marg42"/>
                <lb/>
              impulſiua tendendi verſus ſcopulum, è contra, quia
                <lb/>
              videmus, quòd pila ferrea non poteſt à contactu ſoli
                <lb/>
              ſeiungi, ac diuelli niſi æqualis facultas, & energią
                <lb/>
              contraria adhibeatur, ſcilicet niſi apponatur pondus
                <lb/>
              in altera extremitate libræ, quod æquale ſit grauita­
                <lb/>
              ti prædictæ pilæ ferreę, ſicuti cùm homo robuſtus co­
                <lb/>
              lumnam aliquam impellit, non poteſt ab ea ſeiungi,
                <lb/>
              niſi adhibeatur vis motiua prorsùs æqualis ei, quam
                <lb/>
              homo exercet; hinc de ducemus pilam vim grauitatis,
                <lb/>
              & hominem vim muſculorum exercere. </s>
            </p>
            <p type="margin">
              <s id="s.000189">
                <margin.target id="marg42"/>
              Cap. 3. flui­
                <lb/>
              dum in ſuo
                <lb/>
              toto quie­
                <lb/>
              ſcens pon­
                <lb/>
              derat.</s>
            </p>
            <p type="main">
              <s id="s.000190">Porrò effectus producti ab illa ferrea pila à paui­
                <lb/>
              mento ſubnixa plures ſunt, ac varij, conſtringuntur
                <lb/>
              nempè pori ſubiecti corporis pilam ſuſtinentis, in­
                <lb/>
              flectitur paritèr idipſum contunditurque, & multo­
                <lb/>
              tiès diffringitur, ac diſſilit in particulas minimas,
                <lb/>
              igitur ſi huiuſmodi effectus ipſamet aqua operaretur,
                <lb/>
              abſque vlla hæſitatione aquam in ipſamet aqua gra­
                <lb/>
              uitare affirmaremus. </s>
              <s id="s.000191">Modò videmus, quòd aqua ad
                <lb/>
              ingentem altitudinem eleuata nedùm ſolum, ac fun­
                <lb/>
              dum vaſis inflectit, ſed ipſum multoties diffringit, &
                <lb/>
              hoc magis patet ſi fundum vaſis flexibile fuerit, ſi ve­
                <lb/>
              rò conſtringi, ac condenſari poterit, illud conſtrin­
                <lb/>
              git, atque ad minus ſpatium redigit, non ſecùs ac
                <lb/>
              homo robuſtus comprimeret, & ſlecteret corporą
                <lb/>
              flexibilia, ac cedentia, dum ea impelleret. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>