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

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            <s xml:id="echoid-s2112" xml:space="preserve">
              <pb o="151" file="0175" n="175" rhead="LIBRO II."/>
            la Signora Principeſſa, di udire e dell’ una, e
              <lb/>
            dell’ altra. </s>
            <s xml:id="echoid-s2113" xml:space="preserve">Et io ſubito ripigliai a queſto modo:
              <lb/>
            </s>
            <s xml:id="echoid-s2114" xml:space="preserve">Se io ho bene inteſo, non per altra ragione ci di-
              <lb/>
            moſtra il Signor D. </s>
            <s xml:id="echoid-s2115" xml:space="preserve">Niccola, che la velocità del
              <lb/>
            globo N giunto in
              <emph style="it">r</emph>
            ſia doppia della velocità del-
              <lb/>
            globo C giunto in
              <emph style="it">m</emph>
            , ſe non perchè egli vuole
              <lb/>
            conſiderar queſti globi, come due corpi gravi ca-
              <lb/>
            denti, l’ uno da N in
              <emph style="it">r</emph>
            , l’ altro da C in
              <emph style="it">m</emph>
            , et
              <lb/>
            applicar loro le leggi notiſſime della comune gra-
              <lb/>
            vità, laſciateci da Galileo. </s>
            <s xml:id="echoid-s2116" xml:space="preserve">Ma chi non ſa, che
              <lb/>
            queſte leggi voglion ſupporre, et hanno per lor
              <lb/>
            precipuo fondamento, che i corpi, le cui cadu-
              <lb/>
            te vogliono paragonarſi, partano tutti dalla quie-
              <lb/>
            te con la medeſima velocità? </s>
            <s xml:id="echoid-s2117" xml:space="preserve">la qual ſuppoſizio-
              <lb/>
            ne ſe noi leveremo via, ſaran levate ancor quel-
              <lb/>
            le leggi; </s>
            <s xml:id="echoid-s2118" xml:space="preserve">ne più ſi troveranno gli ſpazj proporzio-
              <lb/>
            nali ai quadrati ne delle velocità ne dei tempi. </s>
            <s xml:id="echoid-s2119" xml:space="preserve">A
              <lb/>
            far dunque valere le leggi della gravità ne’ due
              <lb/>
            globi N, e C, par, che doveſſe dimoſtrarſi in pri-
              <lb/>
            mo luogo, che eſſi globi partiſſero dalla quiete,
              <lb/>
            cioè dai punti N e C con la ſteſſa velocità amen-
              <lb/>
            due. </s>
            <s xml:id="echoid-s2120" xml:space="preserve">La qual coſa non avendo il Signor D. </s>
            <s xml:id="echoid-s2121" xml:space="preserve">Ni-
              <lb/>
            cola dimoſtrata, ne quello pure ha dimoſtrato che
              <lb/>
            ſi volea; </s>
            <s xml:id="echoid-s2122" xml:space="preserve">e quanto a me io ne dubiterò, finchè
              <lb/>
            egli la dimoſtri. </s>
            <s xml:id="echoid-s2123" xml:space="preserve">10 non l’ ho dimoſtrata, diſſe il
              <lb/>
            Signor D. </s>
            <s xml:id="echoid-s2124" xml:space="preserve">Niccola, perchè non la dimoſtra ne
              <lb/>
            Bernulli pure, la ragion del quale ho io voluto eſ-
              <lb/>
            porvi, e non altro. </s>
            <s xml:id="echoid-s2125" xml:space="preserve">10 dunque, riſpoſi, ne dubiterò,
              <lb/>
            finchè me la dimoſtri Bernulli. </s>
            <s xml:id="echoid-s2126" xml:space="preserve">Riſpoſe allora ſor-
              <lb/>
            ridendo il Signor D. </s>
            <s xml:id="echoid-s2127" xml:space="preserve">Niccola: </s>
            <s xml:id="echoid-s2128" xml:space="preserve">Bernulli non l’ </s>
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