Fabri, Honoré, Tractatus physicus de motu locali, 1646

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          <chap id="N19109">
            <pb pagenum="133" xlink:href="026/01/165.jpg"/>
            <figure id="id.026.01.165.1.jpg" xlink:href="026/01/165/1.jpg" number="18"/>
            <p id="N19113" type="head">
              <s id="N19115">
                <emph type="center"/>
              LIBER TERTIVS,
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                <emph type="italics"/>
              DE MOTV VIOLENTO
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              ſurſum Perpendiculariter.
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                <emph.end type="center"/>
              </s>
            </p>
            <p id="N19124" type="main">
              <s id="N19126">OMnis certè motus, qui eſt à principio ex­
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              trinſeco, violentus appellari poteſt, attamen
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              hîc non ago de omni violento, ſed dumta­
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              xat de illo, qui fit ſursùm per lineam verticalem; </s>
              <s id="N19130">quia
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              ſcilicet ex diametro opponitur motui naturali, qui
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              fit deorsùm perpendiculariter; igitur cum de hoc
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              ipſo in ſecundo Libro egerimus, de illo in hoc non
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              agemus.
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              </s>
            </p>
            <p id="N1913F" type="main">
              <s id="N19141">
                <emph type="center"/>
                <emph type="italics"/>
              DEFINITIO 1.
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                <emph.end type="center"/>
              </s>
            </p>
            <p id="N1914D" type="main">
              <s id="N1914F">
                <emph type="italics"/>
              MOtus violentus eſt, quo corpus graue mouetur ſursùm per li­
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              neam verticalem à principio extrinſeco mediatè, vel immediatè vt
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              plurimùm.
                <emph.end type="italics"/>
              </s>
            </p>
            <p id="N1915A" type="main">
              <s id="N1915C">Dixi à principio extrinſeco, ſiue conjuncto, vt cum manu attollo ſur­
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              ſum corpus graue, ſiue non conjuncto, vt cum quis proiicit lapidem ſur­
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              sùm, ſiue ſit verum principium effectiuum, vt cum impetus, quem poten­
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              tia motrix producit in manu, producit alium in mobili; </s>
              <s id="N19166">ſiue non ſit
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              principium effectiuum, ſed tantùm determinans, vt cum mobile quod
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              cadit deorſum, ſurſum deinde repercutitur; </s>
              <s id="N1916E">nec enim corpus repercu­
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              tiens producit impetum nouum, vt dicemus cum de motu reflexo; </s>
              <s id="N19174">quin
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              potiùs producti partem deſtruit per accidens, & quidquid illius ſupereſt,
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              ad nouam lineam determinat; quod quomodo fiat fusè ſuo loco expli­
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              cabimus, igitur licèt corpus reflectens ſit tantùm principium nouæ de­
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              terminationis, non verò alicuius impetus producti, dici poteſt princi­
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              pium huius motus violenti. </s>
            </p>
            <p id="N19182" type="main">
              <s id="N19184">Dixi vt plurimùm, nam ſi terra ducto per centrum foramine eſſet
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              peruia, haud dubiè lapis demiſſus versùs centrum iret motu naturaliter </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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