Galilei, Galileo, Les méchaniques, 1634

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    <archimedes>
      <text>
        <body>
          <chap>
            <pb pagenum="10" xlink:href="047/01/030.jpg"/>
            <p type="head">
              <s id="s.000109">
                <emph type="center"/>
              III. SVPPOSITION.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000110">Le centre de la peſanteur de deux
                <lb/>
              corps également peſans eſt au milieu
                <lb/>
              de la ligne droite qui conioint les cen­
                <lb/>
              tres de peſanteur deſdits corps; c'eſt à
                <lb/>
              dire que deux corps également peſans,
                <lb/>
              & également éloignez de l'appuy de la
                <lb/>
              balance ont le point de leur équilibre
                <lb/>
              au milieu de la commune conjonction
                <lb/>
              de leurs éloignemens égaux: par exem­
                <lb/>
              ple, la diſtance CA, eſtant égale à la
                <lb/>
              diſtance CB, & les deux poids égaux
                <lb/>
              G & H, eſtant ſuſpendus aux points A
                <lb/>
              & B, il n'y a nulle raiſon pour laquelle
                <lb/>
              ils doiuent pluſtoſt s'incliner d'vn coſté
                <lb/>
              que de l'autre. </s>
            </p>
            <p type="main">
              <s id="s.000111">Mais il faut remarquer que la diſtan­
                <lb/>
              ce des poids, ou des corps peſans d'auec
                <lb/>
                <figure id="id.047.01.030.1.jpg" xlink:href="047/01/030/1.jpg" number="2"/>
                <lb/>
              l'appuy
                <lb/>
              ſe doit
                <lb/>
              meſurer
                <lb/>
              par les li­
                <lb/>
              gnes
                <expan abbr="perpẽdiculaires">perpendiculaires</expan>
              , qui tombent des
                <lb/>
              points de la
                <expan abbr="ſuſpenſiõ">ſuſpenſion</expan>
              , ou des centres de
                <lb/>
              la peſanteur de chaque corps iuſques
                <lb/>
              au centre de la terre. </s>
              <s id="s.000112">De là vient que </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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