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

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          <p>
            <s xml:id="echoid-s4587" xml:space="preserve">
              <pb o="110" file="0168" n="182" rhead="PHYSICES ELEMENTA"/>
            causâ extraneâ non deſtruitur . </s>
            <s xml:id="echoid-s4588" xml:space="preserve">Si continuetur preſſio
              <note symbol="*" position="left" xlink:label="note-0168-01" xlink:href="note-0168-01a" xml:space="preserve">2432</note>
            corpus, augetur celeritas jam acquiſita, illudque quam diu
              <lb/>
            corpus premitur.</s>
            <s xml:id="echoid-s4589" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4590" xml:space="preserve">Nulla unquam datur preſſio ſine reactione ipſi preſſioni
              <lb/>
              <note position="left" xlink:label="note-0168-02" xlink:href="note-0168-02a" xml:space="preserve">434.</note>
            æquali ; </s>
            <s xml:id="echoid-s4591" xml:space="preserve">uhi non contraria preſſione deſtruitur, ſed
              <note symbol="*" position="left" xlink:label="note-0168-03" xlink:href="note-0168-03a" xml:space="preserve">247.</note>
            ſtaculum movet preſſio, vimque generat, ex obſtaculi in-
              <lb/>
            ertiâ oritur reſiſtentia, aut reactio.</s>
            <s xml:id="echoid-s4592" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4593" xml:space="preserve">Pro parte ſæpe contrariâ preſſione deſtruitur preſſio, quod
              <lb/>
            ſupereſt in hoc caſu movet obſtaculum, & </s>
            <s xml:id="echoid-s4594" xml:space="preserve">vim generat; </s>
            <s xml:id="echoid-s4595" xml:space="preserve">ſic
              <lb/>
            navis quæ fune trahitur, ab aquâ patitur reſiſtentiam, quam-
              <lb/>
            diu hæc minor eſt preſſione illâ, qua funis trahitur, auge-
              <lb/>
            tur navis celeritas, & </s>
            <s xml:id="echoid-s4596" xml:space="preserve">reactio, quæ actioni æqualis eſt, cum
              <lb/>
            utramque partem verſus funis æqualiter diſtentatur, pro
              <lb/>
            parte inertiæ navis tribuenda eſt. </s>
            <s xml:id="echoid-s4597" xml:space="preserve">Ubi, auctâ celeritate,
              <lb/>
            eo uſque reſiſtentia aquæ crevit, ut ſola actionem deſtruat,
              <lb/>
            qua navis protrahitur, motu æquabili, viinſitâ, progredi-
              <lb/>
            tur hæc; </s>
            <s xml:id="echoid-s4598" xml:space="preserve">duabus preſſionibus in hanc agentibus ſeſe mutuo
              <lb/>
            deſtruentibus.</s>
            <s xml:id="echoid-s4599" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4600" xml:space="preserve">In omni caſu in quo preſſione obſtaculum movetur, aut hu-
              <lb/>
              <note position="left" xlink:label="note-0168-04" xlink:href="note-0168-04a" xml:space="preserve">435.</note>
            jus motus mutatur, non contrariâ preſſione in totum de-
              <lb/>
            ſtruitur preſſio, & </s>
            <s xml:id="echoid-s4601" xml:space="preserve">vis generatur.</s>
            <s xml:id="echoid-s4602" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4603" xml:space="preserve">Clare etiam patet preſſionem minuere poſſe corporis cele-
              <lb/>
              <note position="left" xlink:label="note-0168-05" xlink:href="note-0168-05a" xml:space="preserve">436.</note>
            ritatem, ideoque vim; </s>
            <s xml:id="echoid-s4604" xml:space="preserve">eodem modo ac auget celeritatem
              <lb/>
            & </s>
            <s xml:id="echoid-s4605" xml:space="preserve">vim.</s>
            <s xml:id="echoid-s4606" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4607" xml:space="preserve">Videmus, vim eſſe effectum integrum preſſionis, quæ
              <lb/>
            per tempus finitum in corpus egit, preſſio autem ipſa, ſingulis
              <lb/>
            momentis infinite exiguis deſtruitur. </s>
            <s xml:id="echoid-s4608" xml:space="preserve">Ergo preſſio omnis
              <lb/>
              <note position="left" xlink:label="note-0168-06" xlink:href="note-0168-06a" xml:space="preserve">437.</note>
            reſpectu vis inſitœ eſt infinite exigua. </s>
            <s xml:id="echoid-s4609" xml:space="preserve">Id circo vis minima
              <lb/>
              <note position="left" xlink:label="note-0168-07" xlink:href="note-0168-07a" xml:space="preserve">438.</note>
            maximam poteſt ſuper are preſſionem.</s>
            <s xml:id="echoid-s4610" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4611" xml:space="preserve">Qui conati ſunt experimentis preſſionem cum vi inſitâ
              <lb/>
            conferre effectum preſſionis conſiderarunt in quo corpus
              <lb/>
            fuit confractum, aut partes intropreſſæ, quod ſine motu
              <lb/>
            locali, ideoque geneſi vis inſitæ , fieri non potuit,
              <note symbol="*" position="left" xlink:label="note-0168-08" xlink:href="note-0168-08a" xml:space="preserve">435.</note>
            vis inſitæ effectus, cum effectu alîus vis fuit collatus.</s>
            <s xml:id="echoid-s4612" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4613" xml:space="preserve">In his omnibus non agitur de preſſione infinite magna,
              <lb/>
            quæ tempore finito vim generat infinite magnam. </s>
            <s xml:id="echoid-s4614" xml:space="preserve"/>
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