Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

Page concordance

< >
Scan Original
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
< >
page |< < of 579 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000169">
                <pb pagenum="36" xlink:href="010/01/044.jpg"/>
                <arrow.to.target n="marg37"/>
                <lb/>
              quieſcere videatur exercet actionem quamdam
                <expan abbr="cõ-preſſiuam">com­
                  <lb/>
                preſſiuam</expan>
              tantæ energiæ quanta eſt eius grauitas; hoc
                <lb/>
              autem facilè percipiemus ſi fingamus duos homines
                <lb/>
              æquè validos & robuſtos qui totis viribus ſe mutuò
                <lb/>
              impellant, vbi manifeſtum eſt quòd exiſtentibus vi­
                <lb/>
              ribus contrarijs inter ſe æqualibus, vt vna alteri noņ
                <lb/>
              pręualeat, tunc neuter luctantium dimouebitur è ſuo
                <lb/>
              loco, ſed ibidem quieſcet, licèt quilibet
                <expan abbr="corũ">eorum</expan>
              vniuer­
                <lb/>
              ſam vim, & facultatem propriam exerceat impellen­
                <lb/>
              do, & repellendo ſuum antagoniſtam, non ſecùs
                <expan abbr="quã-do">quan­
                  <lb/>
                do</expan>
              aliquis impellit columnam ingentem vehemen­
                <lb/>
              ter, licèt minimè valeat eam è ſuo loco deijcere, ac
                <lb/>
              commouere, vt nimirum motus progreſſiuus hominis
                <lb/>
              impellentis, aut columnæ ſubſequatur; nihilominùs
                <lb/>
              negari non poteſt motus impulſiuus muſculorum, &
                <lb/>
              artuum hominis impellentis; nec pariter negari po­
                <lb/>
              teſt aliqua exigua & inſenſibilis flexio eiuſdem
                <expan abbr="colũ-næ">colunm
                  <lb/>
                næ</expan>
              , quæ ad inſtat arcus, ſeù machinæ æquali vi impul­
                <lb/>
              ſui, & flexioni reſiſtit. </s>
              <s id="s.000170">ſimiliter cùm pila ferrea ſuper
                <lb/>
              baſim, vel laminam vitream innititur concedendum
                <lb/>
              omninò eſt effici conſtipationem quamdam partium
                <lb/>
              ferri prementis, & vitri compreſſi, vt nimirum ali­
                <lb/>
              quantiſper eorum poroſitates
                <expan abbr="cõſtringantur">conſtringantur</expan>
              , eò quòd
                <lb/>
              (vt oſtenſum eſt cap. 26. de Vi percuſſionis) reperiri
                <lb/>
              in rerum natura corpora compoſita
                <expan abbr="nequeũt">nequeunt</expan>
              quæ ad­
                <lb/>
              eò dura ſint vt compreſſioni cuiuslibet corporis reſi­
                <lb/>
              ſtere valeant. </s>
              <s id="s.000171">quod verò prædicta compreſſio vitri ab
                <lb/>
              ingenti pondere fiat patet ex eo quòd augendo ma­
                <lb/>
              gis ac magis pondus comprimens, tandem baſis vi-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum