Gravesande, Willem Jacob 's, Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1

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        <div xml:id="echoid-div890" type="section" level="1" n="229">
          <pb o="158" file="0226" n="245" rhead="PHYSICES ELEMENTA"/>
          <p>
            <s xml:id="echoid-s6233" xml:space="preserve">In corporibus elaſticis ſubita admodum eſt elaterii actio.
              <lb/>
            </s>
            <s xml:id="echoid-s6234" xml:space="preserve">
              <note position="left" xlink:label="note-0226-01" xlink:href="note-0226-01a" xml:space="preserve">583.</note>
            Ideo ſi varia corpora elaſtica ſint contigua, & </s>
            <s xml:id="echoid-s6235" xml:space="preserve">extremum
              <lb/>
            percutiatur, omnia ſequentia agitantur quaſi eſſent ſe-
              <lb/>
            parata; </s>
            <s xml:id="echoid-s6236" xml:space="preserve">etiam ſi ex variis contiguis, eâdem velocitate
              <lb/>
            motis, antecedens in corpus quodcumque incurrat, agit
              <lb/>
            ut à reliquis ſeparatum ageret; </s>
            <s xml:id="echoid-s6237" xml:space="preserve">Unde ſequitur corpus move-
              <lb/>
              <note position="left" xlink:label="note-0226-02" xlink:href="note-0226-02a" xml:space="preserve">584.</note>
            ri ſola actione corporis vicini, & </s>
            <s xml:id="echoid-s6238" xml:space="preserve">in vicinum corpus tantum
              <lb/>
            agere, partibus elaſticis ad figuram redeuntibus, antequam
              <lb/>
            actio corpori ſequenti communicari poſſit.</s>
            <s xml:id="echoid-s6239" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div893" type="section" level="1" n="230">
          <head xml:id="echoid-head322" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          11.</head>
          <p>
            <s xml:id="echoid-s6240" xml:space="preserve">I. </s>
            <s xml:id="echoid-s6241" xml:space="preserve">Sint corpora plurima æqualia P, Q, R, S, T, V,
              <lb/>
              <note position="left" xlink:label="note-0226-03" xlink:href="note-0226-03a" xml:space="preserve">585.</note>
            in eadem linea diſpoſita, & </s>
            <s xml:id="echoid-s6242" xml:space="preserve">ſeſe mutuo tangentia; </s>
            <s xml:id="echoid-s6243" xml:space="preserve">corpus
              <lb/>
              <note position="left" xlink:label="note-0226-04" xlink:href="note-0226-04a" xml:space="preserve">
                <emph style="sc">TA. XXII</emph>
              .
                <lb/>
              fig. 6.</note>
            P impingatur in Q. </s>
            <s xml:id="echoid-s6244" xml:space="preserve">quacunque velocitate, poſt occur-
              <lb/>
            ſum P,Q,R,S, & </s>
            <s xml:id="echoid-s6245" xml:space="preserve">T quieta manent, & </s>
            <s xml:id="echoid-s6246" xml:space="preserve">V ſolum movetur.</s>
            <s xml:id="echoid-s6247" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6248" xml:space="preserve">2. </s>
            <s xml:id="echoid-s6249" xml:space="preserve">Moveantur æqualibus velocitatibus P & </s>
            <s xml:id="echoid-s6250" xml:space="preserve">Q, ita ut Q im-
              <lb/>
              <note position="left" xlink:label="note-0226-05" xlink:href="note-0226-05a" xml:space="preserve">
                <emph style="sc">TA. XXII</emph>
              .
                <lb/>
              fig. 7.</note>
            pingatur in R, poſt impactum P,Q,R, & </s>
            <s xml:id="echoid-s6251" xml:space="preserve">S quieſcunt, T
              <lb/>
            & </s>
            <s xml:id="echoid-s6252" xml:space="preserve">V vero ſimul moventur.</s>
            <s xml:id="echoid-s6253" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6254" xml:space="preserve">3. </s>
            <s xml:id="echoid-s6255" xml:space="preserve">Eodem modo ſi tria moventur, poſt occurſum tria etiam
              <lb/>
              <note position="left" xlink:label="note-0226-06" xlink:href="note-0226-06a" xml:space="preserve">
                <emph style="sc">TA. XXII</emph>
              .
                <lb/>
              fig. 8.</note>
            moventur.</s>
            <s xml:id="echoid-s6256" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6257" xml:space="preserve">4. </s>
            <s xml:id="echoid-s6258" xml:space="preserve">Tandem ſi, P,Q,R, S & </s>
            <s xml:id="echoid-s6259" xml:space="preserve">ſimul moveantur, & </s>
            <s xml:id="echoid-s6260" xml:space="preserve">S per-
              <lb/>
              <note position="left" xlink:label="note-0226-07" xlink:href="note-0226-07a" xml:space="preserve">
                <emph style="sc">TA. XXII</emph>
              .
                <lb/>
              fig. 9.</note>
            cutiat T, poſt percuſſionem P & </s>
            <s xml:id="echoid-s6261" xml:space="preserve">Q quieſcunt, R, S, T,
              <lb/>
            & </s>
            <s xml:id="echoid-s6262" xml:space="preserve">V ſimul moventur. </s>
            <s xml:id="echoid-s6263" xml:space="preserve">Generaliter quicunque ſit globorum
              <lb/>
            numerus, quot moventur ante occurſum, tot etiam poſt il-
              <lb/>
            lum moventur.</s>
            <s xml:id="echoid-s6264" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6265" xml:space="preserve">Agunt hæc corpora quaſi eſſent ſeparata . </s>
            <s xml:id="echoid-s6266" xml:space="preserve">In primo cafu
              <note position="left" xlink:label="note-0226-08" xlink:href="note-0226-08a" xml:space="preserve">
                <emph style="sc">TA. XXII</emph>
                <lb/>
              fig. 6.</note>
            impingitur in Q & </s>
            <s xml:id="echoid-s6267" xml:space="preserve">quieſcit ; </s>
            <s xml:id="echoid-s6268" xml:space="preserve">Q ictu agitatum impingitur
              <note symbol="*" position="left" xlink:label="note-0226-09" xlink:href="note-0226-09a" xml:space="preserve">583.</note>
            R & </s>
            <s xml:id="echoid-s6269" xml:space="preserve">etiam quieſcit, & </s>
            <s xml:id="echoid-s6270" xml:space="preserve">ſic de cæteris, donec tandem T per-
              <lb/>
              <note symbol="*" position="left" xlink:label="note-0226-10" xlink:href="note-0226-10a" xml:space="preserve">501.</note>
            cutiat V, quod, cùm nullo obſtaculo retineatur, ſolum in
              <lb/>
            motu continuat.</s>
            <s xml:id="echoid-s6271" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6272" xml:space="preserve">In ſecundo caſu, corpus Q eodem modo corpus V
              <lb/>
              <note position="left" xlink:label="note-0226-11" xlink:href="note-0226-11a" xml:space="preserve">
                <emph style="sc">TA. XXII</emph>
              .
                <lb/>
              fig. 7.</note>
            propellit; </s>
            <s xml:id="echoid-s6273" xml:space="preserve">inſequitur immediate P impingens in Q,
              <lb/>
            quod jam ex priori impactu quieſcit, motus ille etiam
              <lb/>
            eodem modo communicatur corpori T, quod non pot-
              <lb/>
            eſt percutere V jam in motu; </s>
            <s xml:id="echoid-s6274" xml:space="preserve">& </s>
            <s xml:id="echoid-s6275" xml:space="preserve">cum motus corporum
              <lb/>
            P & </s>
            <s xml:id="echoid-s6276" xml:space="preserve">Q æque veloces ſint, & </s>
            <s xml:id="echoid-s6277" xml:space="preserve">illa corpora quam proxi-
              <lb/>
            me ſeſe inſequantur, ſenſibile tempus inter illas duas </s>
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