Terentius, Johannes; Zheng, Wang 王徴, Yuan xi qi qi tu shuo lu zui 遠西奇器圖說錄最, [1830]

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    <archimedes>
      <text>
        <body>
          <chap id="N10D00" n="2">
            <p type="head">
              <s id="N122D4">
                <pb xlink:href="X03/01/198.jpg"/>
                <lb/>
              ​力​幾​何?</s>
            </p>
            <p type="main">
              <s id="N122E0"> ​假​如ch​重​為​二​千​斤,​其​心​為i;​槓​杆
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              ​兩​端​為o​、c,​其​體​重​四​百​斤,​其​重​心
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              ​在g​。</s>
              <s id="N122E7">​槓​杆​斜​起​在​支​磯e​上,ae​是
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              ​其​定​所​。</s>
              <s id="N122EC">​重​徑​為ik,kg​為​六​分,f
                <lb/>
              c​為​十​二​分​。</s>
              <s id="N122F1">c​用​能​力​宜​幾​何?​法​曰:
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              ​先​求​重​物​與​槓​體​之​重​心​。</s>
              <s id="N122F6">​用​比​例​法:
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              </s>
            </p>
            <p type="main">
              <s id="N122FE">​一 ​二​千​四​百​斤 ​為​重​與​槓​兩​重​之​數
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              </s>
            </p>
            <p type="main">
              <s id="N12306">​二 ​四​百​斤 ​為​槓​重​之​數
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              </s>
            </p>
            <p type="main">
              <s id="N1230E">​三 ​六​分 ​為​從k​重​心​到g​重​心​之​數
                <lb/>
              </s>
            </p>
            <p type="main">
              <s id="N12316">​四 ​一​分 ​為​從k​到u​之​分​數​。</s>
              <s id="N12319">​所​以ug​為​五​分
                <lb/>
              </s>
            </p>
            <p type="main">
              <s id="N12321">​再​用​比​例​法:</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>