Galilei, Galileo, Les méchaniques, 1634

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000170">
                <pb pagenum="28" xlink:href="047/01/048.jpg"/>
              autre chorde àlentour de la
                <expan abbr="grãde">grande</expan>
              rouë,
                <lb/>
              afin d'y attacher l'autre fardeau I. </s>
              <s id="s.000171">Or
                <lb/>
              cecy eſtant poſé, il eſt euident que ſi
                <lb/>
              CA eſt à BA comme le fardeau G au
                <lb/>
              fardeau I, que le poids I ſouſtiendra &
                <lb/>
                <expan abbr="contrebalãcera">contrebalancera</expan>
              G, & que ſi l'on adiou­
                <lb/>
              ſte quelque force, ou poids à I, qu'il
                <lb/>
              l'emportera. </s>
            </p>
            <p type="main">
              <s id="s.000172">Et parce que les chordes qui
                <expan abbr="ſouſtiẽ-nent">ſouſtien­
                  <lb/>
                nent</expan>
              le poids touchent touſiours la
                <expan abbr="cir-conferẽce">cir­
                  <lb/>
                conference</expan>
              de la rouë auec laquelle l'eſ­
                <lb/>
              ſieu tourne, & conſequemment qu'el­
                <lb/>
              les ſont touſiours en meſme ſituation à
                <lb/>
              l'égard des diſtances BA, & CA, le
                <lb/>
              mouuement ſe continuë perpetuelle­
                <lb/>
              ment, & le poids I deſcendant fait
                <expan abbr="mõ-ter">mon­
                  <lb/>
                ter</expan>
              le poids G. </s>
              <s id="s.000173">Mais il faut remarquer
                <lb/>
              qu'il eſt neceſſaire de mettre la chorde
                <lb/>
              à l'entour de la rouë, afin que le poids
                <lb/>
              demeure ſuſpendu du point de la cir­
                <lb/>
              conference que la chorde touche: Car
                <lb/>
              ſi la chorde eſtoit pendante du point F,
                <lb/>
              elle couperoit la rouë par FN, & par
                <lb/>
                <expan abbr="conſequẽt">conſequent</expan>
              elle ne pourroit ſe mouuoir,
                <lb/>
              parce que le moment, ou la force du
                <lb/>
              poids N ſeroit diminuée, puis qu'elle
                <lb/>
              n'eſt pas plus grande que ſi la chorde
                <lb/>
              eſtoit attachée au point N, dautant que </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>