Newton, Isaac, Philosophia naturalis principia mathematica, 1713

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          <chap>
            <pb xlink:href="039/01/032.jpg" pagenum="4"/>
            <p type="main">
              <s>
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            <p type="margin">
              <s>
                <margin.target id="note1"/>
              NI­
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              ES.</s>
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            <p type="main">
              <s>
                <emph type="center"/>
              DEFINITIO VI.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
                <emph type="italics"/>
              Vis centripetæ Quantitas Abſoluta eſt menſura ejuſdem major vel minor
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              pro Efficacia cauſæ eam propagantis a centro per regiones in circuitu.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>Ut vis Magnetica pro mole magnetis vel intenſione virtutis major
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              in uno magnete, minor in alio. </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              DEFINITIO VII.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
                <emph type="italics"/>
              Vis centripetæ Quantitas Acceleratrix eſt ipſius menſura Velocitati
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              proportionalis, quam dato tempore generat.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>Uti Virtus magnetis ejuſdem major in minori diſtantia, minor
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              in majori: vel vis Gravitans major in vallibus, minor in cacumiNI­
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              bus præaltorum montium, atque adhuc minor (ut poſthac patebit)
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              in majoribus diſtantiis a globo terræ; in æqualibus autem diſtan­
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              tiis eadem undique, propterea quod corpora omnia cadentia (gra­
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              via an levia, magna an parva) ſublata Aeris reſiſtentia, æqualiter
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              accelerat. </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              DEFINITIO VIII.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
                <emph type="italics"/>
              Vis centripetæ Quantitas Motrix eſt ipſius menſura proportionalis. </s>
              <s>
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              Motui, quem dato tempore generat.
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                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>Uti Pondus majus in majore corpore, minus in minore; inque
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              corpore eodem majus prope terram, minus in cælis. </s>
              <s>Hæc Quantitas
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              eſt corporis totius centripetentia ſeu propenſio in centrum, & (ut ita
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              dicam) Pondus; & innoteſcit ſemper per vim ipſi contrariam & æ­
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              qualem, qua deſcenſus corporis impediri poteſt. </s>
            </p>
            <p type="main">
              <s>Haſce virium quantitates brevitatis gratia nominare licet vires
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              motrices, acceleratrices, & abſolutas; & diſtinctionis gratia referre ad
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              Corpora, centrum petentia, ad corporum Loca, & ad Centrum virium:
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              nimirum vim motricem ad Corpus, tanquam conatum & propenſio­
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              nem totius in centrum ex propenſionibus omnium partium compoſi­
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              tam; & vim acceleratricem ad Locum corporis, tanquam efficaciam
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              quandam, de centro per loca ſingula in circuitu diffuſam, ad movenda
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              corpora quæ in ipſis ſunt; vim autem abſolutam ad Centrum, tan­
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              quam cauſa aliqua præditum, ſine qua vires motrices non propa­
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              gantur per regiones in circuitu; ſive cauſa illa ſit corpus aliquod
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              centrale (quale eſt Magnes in centro vis magneticæ, vel Terra in </s>
            </p>
          </chap>
        </body>
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