Galilei, Galileo, Les méchaniques, 1634

Page concordance

< >
Scan Original
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
< >
page |< < of 108 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000245">
                <pb pagenum="52" xlink:href="047/01/072.jpg"/>
                <expan abbr="inclinatiõs">inclinations</expan>
              des
                <expan abbr="plãs">plans</expan>
              FB, LB &c. </s>
              <s id="s.000246">de ſorte
                <lb/>
              que l'on peut s'imaginer la deſcente de
                <lb/>
              C par tous les points du quart de cercle
                <lb/>
              CI, lequel contient vn plan qui s'incli­
                <lb/>
              ne perpetuellement de plus en plus,
                <lb/>
              & que la peſanteur du poids en C eſt
                <lb/>
              totale & entiere, & conſequemment
                <lb/>
              qu'il ſe porte de toute ſon inclination à
                <lb/>
              deſcendre, parce qu'il n'eſt nullement
                <lb/>
              empeſché par la
                <expan abbr="circonferẽce">circonference</expan>
              , lors qu'il
                <lb/>
              ſe rencontré ſur la tangente DCE. </s>
            </p>
            <p type="main">
              <s id="s.000247">Mais quand il eſt en F, il eſt en partie
                <lb/>
              ſouſtenu par le plan circulaire, & ſa
                <lb/>
              pente, ou l'inclination qu'il a vers le
                <lb/>
              centre de la terre eſt autant diminuée
                <lb/>
              que BC ſurpaſſe BK: de maniere qu'il
                <lb/>
              ſe tient éleué ſur ce plan de meſme que
                <lb/>
              s'il eſtoit appuyé ſur la tangente GFH,
                <lb/>
                <expan abbr="d'autãt">d'autant</expan>
              que le point d'inclination F de
                <lb/>
              la circonference CI ne differe point de
                <lb/>
              l'inclination de la tangente GFH, que
                <lb/>
              par l'angle inſenſible du contact. </s>
            </p>
            <p type="main">
              <s id="s.000248">Il faut dire la meſme choſe du point
                <lb/>
              L, lequel eſt incliné comme s'il eſtoit
                <lb/>
              ſur le plan de la tangeule NLO, car il
                <lb/>
              diminuë ſa pente, & ſon
                <expan abbr="inclinatiõ">inclination</expan>
              qu'il
                <lb/>
              a en C en meſme proportion que Bk eſt
                <lb/>
              à BC, puis qu'il eſt conſtant par la ſimi-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>