Gravesande, Willem Jacob 's, Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1
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            ſtituamus IF, prædicta ſumma æqualis erit rectangulo AL,
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            quod ſi dividatur per
              <emph style="sc">A</emph>
            C, ſummam maſſarum, quotiens di-
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            viſionis dabit
              <emph style="sc">A</emph>
            H, aut BI, velocitatem corporibus com-
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            munem poſt ictum.</s>
            <s xml:id="echoid-s5487" xml:space="preserve"/>
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        <div xml:id="echoid-div781" type="section" level="1" n="204">
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            <emph style="sc">Experimentum</emph>
          8.</head>
          <p>
            <s xml:id="echoid-s5488" xml:space="preserve">Globi duo æquales ex argilla molli ſuſpenduntur, ſi hi
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              <note position="left" xlink:label="note-0204-01" xlink:href="note-0204-01a" xml:space="preserve">514.</note>
            partem eandem verſus moveantur, P velocitate decem, Q
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              <note position="left" xlink:label="note-0204-02" xlink:href="note-0204-02a" xml:space="preserve">
                <emph style="sc">TAB. XXI.</emph>
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              fig. 1.</note>
            velocitate ſex; </s>
            <s xml:id="echoid-s5489" xml:space="preserve">poſt ictum motum ſimul continuabunt ve-
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            locitate octo.</s>
            <s xml:id="echoid-s5490" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s5491" xml:space="preserve">Cum maſſæ ſint æquales unitate deſignari poſſunt, & </s>
            <s xml:id="echoid-s5492" xml:space="preserve">ſum-
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            ma productorum maſſarum per velocitates eſt ſedecim, quæ
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            ſi per ſummam maſſarum duo dividatur habemus ut in Ex-
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            perimento velocitatem octo,</s>
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        </div>
        <div xml:id="echoid-div783" type="section" level="1" n="205">
          <head xml:id="echoid-head291" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          9.</head>
          <p>
            <s xml:id="echoid-s5493" xml:space="preserve">Suſpenſis cylindris, eburneo E cujus maſſa eſt tria,
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              <note position="left" xlink:label="note-0204-03" xlink:href="note-0204-03a" xml:space="preserve">515.</note>
            & </s>
            <s xml:id="echoid-s5494" xml:space="preserve">ligneo argillam continenti G, cujus maſſa eſt duo, feran-
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              <note position="left" xlink:label="note-0204-04" xlink:href="note-0204-04a" xml:space="preserve">
                <emph style="sc">TA. XXII.</emph>
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              fig. 3.</note>
            tur hi ad eandem partem, primus velocitate duodecim, ſe-
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            cundus velocitate ſeptem, poſt ictum ſimul velocitate de-
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            cem moventur.</s>
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          <p>
            <s xml:id="echoid-s5496" xml:space="preserve">Multiplicando maſſam 3 per velocitatem 12, habemus
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            36, addito 14, producto maſſæ 2 per velocitatem 7, habe-
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            mus ſummam productorum 50, quæ ſi dividatur per ſum-
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            mam maſſarum 5, habemus velocitatem experimento dete-
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            ctam 10.</s>
            <s xml:id="echoid-s5497" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s5498" xml:space="preserve">Si corpora tendant in partes contrarias, & </s>
            <s xml:id="echoid-s5499" xml:space="preserve">ex producto
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              <note position="left" xlink:label="note-0204-05" xlink:href="note-0204-05a" xml:space="preserve">516.</note>
            majori BM ſubtrahamus MI, & </s>
            <s xml:id="echoid-s5500" xml:space="preserve">ſubſtituamus IF, habe-
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              <note position="left" xlink:label="note-0204-06" xlink:href="note-0204-06a" xml:space="preserve">
                <emph style="sc">TAB. XX.</emph>
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              fig. 2.</note>
            mus BM æquale gnomoni AHLFEB; </s>
            <s xml:id="echoid-s5501" xml:space="preserve">ex quo ſi ſub-
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            trahamus productum BF, habemus HC diſſerentiam pro-
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            ductorum maſſarum per ſuas velocitates; </s>
            <s xml:id="echoid-s5502" xml:space="preserve">ſi autem hanc di-
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            vidamus per ſummam maſſarum AC, quotiens erit veloci-
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            tas quæſita BI, quæ dirigitur ad eandem partem cum BN:
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            </s>
            <s xml:id="echoid-s5503" xml:space="preserve">id eſt ambo corpora, velocitate detectâ, feruntur verſus
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            eandem partem cum corpore, cujus productum maßæ per
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            velocitatem alius productum ſimile excedit.</s>
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