Zanotti, Francesco Maria, Della forza de' corpi che chiamano viva libri tre, 1752

List of thumbnails

< >
191
191 (167) 		192
192 (168)
193
193 (169) 		194
194 (170)
195
195 (171) 		196
196 (172)
197
197 (173) 		198
198 (174)
199
199 (175) 		200
200 (176)
< >
page |< < (175) of 343 > >|
    <echo version="1.0RC">
      <text xml:lang="it" type="free">
        <div xml:id="echoid-div6" type="section" level="1" n="5">
          <p>
            <s xml:id="echoid-s2434" xml:space="preserve">
              <pb o="175" file="0199" n="199" rhead="LIBRO II."/>
            non paſſa; </s>
            <s xml:id="echoid-s2435" xml:space="preserve">e voi dovreſte allora condurre la linea
              <lb/>
              <emph style="it">tu</emph>
            perpendicolare ad AL; </s>
            <s xml:id="echoid-s2436" xml:space="preserve">poichè queſta linea
              <lb/>
            taglierebbe la ſerie in un punto
              <emph style="it">u</emph>
            , il qual
              <lb/>
            punto
              <emph style="it">u</emph>
            , allargandoſi poi quanto ſi voglia la
              <lb/>
            ſerie, rimarrebbe ſempre immobile; </s>
            <s xml:id="echoid-s2437" xml:space="preserve">non che
              <lb/>
            nell’ aprirſi, e dilatarſi viepiù gli elaſtri, non
              <lb/>
            doveſſe egli andar diſcendendo verſo
              <emph style="it">t</emph>
            , ma
              <lb/>
            ſempre ſi rimarrebbe nella ſteſſa linea
              <emph style="it">ut</emph>
            , ne
              <lb/>
            mai piegherebbe ne verſo A, ne verſo L; </s>
            <s xml:id="echoid-s2438" xml:space="preserve">ilche
              <lb/>
            ſe voi vorrete dimoſtrare (e potrete farlo faciliſ-
              <lb/>
            ſimamente) vi accorgerete ancora, che dividendo-
              <lb/>
            ſi tutta la ſerie dal punto
              <emph style="it">u</emph>
            in due parti, l’ una,
              <lb/>
            cioè
              <emph style="it">u</emph>
            EFGHIKL, ſi ſcaglierà contra il globo L,
              <lb/>
            l’ altra, cioè
              <emph style="it">u</emph>
            DCBA, ſi ſcaglierà contro il glo-
              <lb/>
            bo A; </s>
            <s xml:id="echoid-s2439" xml:space="preserve">e avrà la prima alla ſeconda quella ſteſſa
              <lb/>
            proporzione, che ha
              <emph style="it">t</emph>
            L a
              <emph style="it">t</emph>
            A, cioè ſarà tripla di
              <lb/>
            eſſa; </s>
            <s xml:id="echoid-s2440" xml:space="preserve">e ne ſeguiranno tutte le coſe dette di ſopra.
              <lb/>
            </s>
            <s xml:id="echoid-s2441" xml:space="preserve">Ma a me piace ſupporre il globo A quadruplo del
              <lb/>
            globo L, onde il centro di gravità ſia in C; </s>
            <s xml:id="echoid-s2442" xml:space="preserve">eſ-
              <lb/>
            ſendo queſta ſuppoſizion comoda, quantunque
              <lb/>
            non neceſſaria. </s>
            <s xml:id="echoid-s2443" xml:space="preserve">Avendo il Signor Marcheſe mo-
              <lb/>
            ſtrato di contentarſi a queſte parole, il Signor D. </s>
            <s xml:id="echoid-s2444" xml:space="preserve">
              <lb/>
            Serao ſeguitò: </s>
            <s xml:id="echoid-s2445" xml:space="preserve">eſercitando la ſerie, come è detto,
              <lb/>
            nell’ uno e nell’ altro globo egual preſſione, do-
              <lb/>
            vrà ſenza dubio eccitarſi nell’ uno, e nell’ altro
              <lb/>
            egual quantità di movimento. </s>
            <s xml:id="echoid-s2446" xml:space="preserve">D’ altra parte eſ-
              <lb/>
            ſendo la cagione, che agiſce nel globo L, qua-
              <lb/>
            drupla di quella, che agiſce nel globo A; </s>
            <s xml:id="echoid-s2447" xml:space="preserve">percioc-
              <lb/>
            chè nel globo L agiſce tutta quella parte di ſerie,
              <lb/>
            che ſi ſcaglia da C verſo L, e nel globo A </s>
          </p>
        </div>
      </text>
    </echo>
Impressum