Galilei, Galileo, Les méchaniques, 1634

Table of figures

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              <s id="s.000148">
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              que CD eſt quintuple de CB. </s>
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            <p type="main">
              <s id="s.000149">Mais l'auantage de ces 3. inſtru­
                <lb/>
              mens ne conſiſte pas à ſurmonter, ou à
                <lb/>
              tromper la nature, en faiſant qu'vne
                <lb/>
              petite force ſurmonte vne grande reſi­
                <lb/>
              ſtence, car on fera le meſme effet en
                <lb/>
              meſme temps, & auec meſme force
                <expan abbr="sãs">sans</expan>
                <lb/>
              la
                <expan abbr="diſtãce">diſtance</expan>
              CD, laquelle eſt cauſe que la
                <lb/>
              force D a cinq fois plus de chemin à fai­
                <lb/>
              re de D en I, que le poids n'en fait de
                <lb/>
              B en G, & conſequemment elle em­
                <lb/>
                <figure id="id.047.01.042.1.jpg" xlink:href="047/01/042/1.jpg" number="7"/>
                <lb/>
              ploye
                <lb/>
              5. fois
                <lb/>
              pl
                <emph type="sup"/>
              9
                <emph.end type="sup"/>
              de
                <lb/>
              temps
                <lb/>
              que ſi elle eſtoit en L, pour ſe tranſpor­
                <lb/>
              ter en M. </s>
              <s id="s.000150">Or la force D eſtant en L le­
                <lb/>
              uera la cinquieſme partie du poids B de
                <lb/>
              B en G, en meſme temps que D leue B,
                <lb/>
              de ſorte qu'elle leuera tout le poids B
                <lb/>
              en G en repetant 5. fois le chemin LM;
                <lb/>
              ce qui eſt la meſme choſe que de faire
                <lb/>
              vne fois le chemin DI: & conſequem­
                <lb/>
              ment le tranſport de B en G ne requiert
                <lb/>
              pas moins de force, ou moins de
                <expan abbr="tẽps">temps</expan>
              ,
                <lb/>
              ou vn chemin plus court, ſoit que l'on
                <lb/>
              mette la force en D, ou en L. </s>
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            <p type="main">
              <s id="s.000151">D'où il faut conclurre que le leuier </s>
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