Galilei, Galileo, Les méchaniques, 1634

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000269">
                <pb pagenum="60" xlink:href="047/01/080.jpg"/>
              pliquèe aux points D, E, ou HI eſt ca­
                <lb/>
              pable de les oſter de leur equilibre. </s>
            </p>
            <p type="main">
              <s id="s.000270">En troiſieſme lieu ſi l'on ſuppoſe que
                <lb/>
              le plan horizontal ſoit rude, ſcabreux, &
                <lb/>
              mal poli, il
                <expan abbr="sẽble">semble</expan>
              que le moindre globe
                <lb/>
              roulera plus ayſement parce qu'il fait
                <lb/>
              vn plus grand angle de contingence, &
                <lb/>
              s'éloigne d'auantage de la ligne droite
                <lb/>
              AB. </s>
            </p>
            <p type="head">
              <s id="s.000271">
                <emph type="center"/>
              IV ADDITION.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000272">Sur ce que Galilee dit que Pappus ſ'eſt
                <lb/>
              trompé, lors qu'il a voulu determiner la
                <lb/>
              force neceſſaire pour mouuoir vn poids
                <lb/>
              donné ſur vn plan propoſé, ou ſur vn
                <lb/>
              plan incliné, dont l'angle d'inclination
                <lb/>
              eſt
                <expan abbr="cõnu">connu</expan>
              l'on peut remarquer pluſieurs
                <lb/>
              choſes, mais particulierement qu'il la
                <lb/>
              ſuppoſe beaucoup trop
                <expan abbr="grãde">grande</expan>
              , car il dit
                <lb/>
              qu'il faut la force de 40. hommes pour
                <lb/>
              mouuoir le poids de 200. talents, dans
                <lb/>
              la 9. propoſition de ſon 8. liure, au lieu
                <lb/>
              que la moindre force eſt capable de le
                <lb/>
              mouuoir ſur ledit plan: c'eſt pourquoy
                <lb/>
              il a conclud qu'il failloit 260. hommes
                <lb/>
              pour le mouuoir ſur vn plan incliné de
                <lb/>
              120 degrez. </s>
              <s id="s.000273">Mais l'on comprendra cecy
                <lb/>
              plus ayſement par cette figure, dans </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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