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

Page concordance

< >
Scan Original
281
282
283 181
284 182
285 183
286 184
287 185
288 186
289 187
290 188
291 189
292 190
293
294
295
296 191
297 192
298 193
299 194
300 195
301 196
302 197
303 198
304 199
305 200
306
307
308
309 201
310 202
< >
page |< < (190) of 824 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div1030" type="section" level="1" n="251">
          <pb o="190" file="0268" n="292" rhead="PHYSICES ELEMENTA"/>
          <p>
            <s xml:id="echoid-s7472" xml:space="preserve">Poſt ictum corpus Q movetur velocitate {2Pv/2P + Q} ; </s>
            <s xml:id="echoid-s7473" xml:space="preserve">eâdem velocitate,
              <note symbol="*" position="left" xlink:label="note-0268-01" xlink:href="note-0268-01a" xml:space="preserve">519.</note>
            ta eandem directionem, feruntur corpora P, P, ſed hæc præterea laterali-
              <lb/>
            ter feruntur viribus quæ valent {2PQvv/2P + Q} ; </s>
            <s xml:id="echoid-s7474" xml:space="preserve">quare utriuſque lateralis
              <note symbol="*" position="left" xlink:label="note-0268-02" xlink:href="note-0268-02a" xml:space="preserve">510. 525.</note>
            locitas eſt {v√Q\x{0020}/√2P + Q\x{0020}} , & </s>
            <s xml:id="echoid-s7475" xml:space="preserve">velocitas abſoluta {v √4PP + 2PQ + QQ\x{0020}/2P + Q} .</s>
            <s xml:id="echoid-s7476" xml:space="preserve">
              <note symbol="*" position="left" xlink:label="note-0268-03" xlink:href="note-0268-03a" xml:space="preserve">470.</note>
              <note symbol="*" position="left" xlink:label="note-0268-04" xlink:href="note-0268-04a" xml:space="preserve">610.</note>
            </s>
          </p>
        </div>
        <div xml:id="echoid-div1035" type="section" level="1" n="252">
          <head xml:id="echoid-head358" xml:space="preserve">CAPUT XXIX.</head>
          <head xml:id="echoid-head359" style="it" xml:space="preserve">De Legibus Elaſticitatis.</head>
          <p>
            <s xml:id="echoid-s7477" xml:space="preserve">QUid ſit Elaſticitas, & </s>
            <s xml:id="echoid-s7478" xml:space="preserve">unde oriatur, jam vidimus ;</s>
            <s xml:id="echoid-s7479" xml:space="preserve">
              <note symbol="*" position="left" xlink:label="note-0268-05" xlink:href="note-0268-05a" xml:space="preserve">701.</note>
            etiam quid ex eo in congreſſu corporum, ſive dire-
              <lb/>
            cte, ſive oblique, in ſe mutuo impingentium eve-
              <lb/>
            niat; </s>
            <s xml:id="echoid-s7480" xml:space="preserve">ſupereſt ut ipſius Elaſticitatis leges examinemus, il-
              <lb/>
            ludque ex Phænomenis.</s>
            <s xml:id="echoid-s7481" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7482" xml:space="preserve">Omnia corpora, in quibus Elaſticitatem obſervamus,
              <lb/>
            conſtant ex filamentis tenuibus, aut ſaltem quaſi ex talibus
              <lb/>
            conſtantia conſiderari poſſunt, corpus enim in fila diviſum
              <lb/>
            concipi poteſt; </s>
            <s xml:id="echoid-s7483" xml:space="preserve">illaque fila, ad ſe mutuo appoſita, corpus
              <lb/>
            formare; </s>
            <s xml:id="echoid-s7484" xml:space="preserve">ut ergo in caſu omnium minime compoſito E-
              <lb/>
            laſticitas examinetur, chordæ conſiderandæ ſunt, & </s>
            <s xml:id="echoid-s7485" xml:space="preserve">qui-
              <lb/>
            dem metallicæ; </s>
            <s xml:id="echoid-s7486" xml:space="preserve">chordæ enim exinteſtinis ovium ſpiram for-
              <lb/>
            mant, & </s>
            <s xml:id="echoid-s7487" xml:space="preserve">non ut fibræ, ex quibus corpora formantur, con-
              <lb/>
            ſiderari queunt.</s>
            <s xml:id="echoid-s7488" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s7489" xml:space="preserve">Fibrarum Elaſticitas in eo ſita eſt, quod extendi poſſint,
              <lb/>
              <note position="left" xlink:label="note-0268-06" xlink:href="note-0268-06a" xml:space="preserve">668.</note>
            & </s>
            <s xml:id="echoid-s7490" xml:space="preserve">ſublata vi qua producuntur, iterum ad priſtinam longi-
              <lb/>
            tudinem redeant.</s>
            <s xml:id="echoid-s7491" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7492" xml:space="preserve">Fibræ nullam habent Elaſticitatem, niſi certâ vi ten-
              <lb/>
              <note position="left" xlink:label="note-0268-07" xlink:href="note-0268-07a" xml:space="preserve">669.</note>
            ſæ ſint; </s>
            <s xml:id="echoid-s7493" xml:space="preserve">ut patet ex chordis parum tenſis, & </s>
            <s xml:id="echoid-s7494" xml:space="preserve">quarum ex-
              <lb/>
            tremitates fixæ ſunt; </s>
            <s xml:id="echoid-s7495" xml:space="preserve">quæ ſi a ſitu paululum removeantur,
              <lb/>
            ad illum ſponte non redeunt: </s>
            <s xml:id="echoid-s7496" xml:space="preserve">quiſnam vero ſit gradus ten-
              <lb/>
            ſionis, in quo Elaſticitas inchoetur, Experimentis nondum
              <lb/>
            fuit determinatum.</s>
            <s xml:id="echoid-s7497" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7498" xml:space="preserve">Quando nimia vi fibra tenditur, Elaſticitatem amittit;
              <lb/>
            </s>
            <s xml:id="echoid-s7499" xml:space="preserve">
              <note position="left" xlink:label="note-0268-08" xlink:href="note-0268-08a" xml:space="preserve">670.</note>
            </s>
          </p>
        </div>
      </text>
    </echo>
Impressum