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

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              <pb o="65" file="0089" n="89" rhead="LIBRO I."/>
            1; </s>
            <s xml:id="echoid-s925" xml:space="preserve">e l’ altro, avendo maſsa 1, poſsa ſalire all’
              <lb/>
            altezza 4; </s>
            <s xml:id="echoid-s926" xml:space="preserve">miſurando così le forze dalla maſsa mol-
              <lb/>
            tiplicata per lo ſpazio. </s>
            <s xml:id="echoid-s927" xml:space="preserve">E quindi argomentava ſot-
              <lb/>
            tilmente a queſto modo. </s>
            <s xml:id="echoid-s928" xml:space="preserve">Se un corpo, la cui maſ-
              <lb/>
            ſa ſia 4, cada dall’ altezza 1, acquiſta forza di
              <lb/>
            riſalire ſpazio 1; </s>
            <s xml:id="echoid-s929" xml:space="preserve">e ſe un’ altro corpo, la cui maſ-
              <lb/>
            ſa ſia 1, cada dall’ altezza 4, acquiſta forza di
              <lb/>
            riſalire ſpazio 4. </s>
            <s xml:id="echoid-s930" xml:space="preserve">Avranno dunque queſti due
              <lb/>
            corpi acquiſtate forze eguali nel lor cadere; </s>
            <s xml:id="echoid-s931" xml:space="preserve">le
              <lb/>
            quali forze però non ſarebbono eguali, ſe non
              <lb/>
            ſi miſuraſsero moltiplicando le maſse per li qua-
              <lb/>
            drati delle velocità; </s>
            <s xml:id="echoid-s932" xml:space="preserve">biſogna dunque così miſu-
              <lb/>
            rarle. </s>
            <s xml:id="echoid-s933" xml:space="preserve">Per tal modo argomentava il Filoſofo acu-
              <lb/>
            tiſſimo, e riprendeva con molta alterigia i Car-
              <lb/>
            teſiani, che fino a quell’ ora avevano miſurato la
              <lb/>
            forza d’ aìtra maniera; </s>
            <s xml:id="echoid-s934" xml:space="preserve">ma eſſi per forza altro a.
              <lb/>
            </s>
            <s xml:id="echoid-s935" xml:space="preserve">vevano inteſo da quello, che intendeva egli. </s>
            <s xml:id="echoid-s936" xml:space="preserve">Di
              <lb/>
            quì nacque la famoſa quiſtione; </s>
            <s xml:id="echoid-s937" xml:space="preserve">della quale ra-
              <lb/>
            gionando meco un giorno Euſtachio mio nipote
              <lb/>
            dicea, che ſecondo quel principio di meccanica,
              <lb/>
            che aſſumeva Leibnizio, la concluſione procede-
              <lb/>
            va beniſſimo nella ſuppoſizione della noſtra comu-
              <lb/>
            ne gravità; </s>
            <s xml:id="echoid-s938" xml:space="preserve">ma cangiandoſi la gravità, avrebbe
              <lb/>
            dovuto cangiarſi ancora la concluſione. </s>
            <s xml:id="echoid-s939" xml:space="preserve">Di fatti
              <lb/>
            ponghiamo, che il corpo, che ha maſſa 4, e ſa-
              <lb/>
            le all’ altezza 1, ſia dotato della gravità terreſtre; </s>
            <s xml:id="echoid-s940" xml:space="preserve">
              <lb/>
            l’ altro, che ha maſſa 1, e ſale all’ altezza 4, ſia
              <lb/>
            dotato della lunare: </s>
            <s xml:id="echoid-s941" xml:space="preserve">ſecondo il principio, che
              <lb/>
            Leibnizio aſſumeva, dovranno amendue i corpi
              <lb/>
            avere forze eguali; </s>
            <s xml:id="echoid-s942" xml:space="preserve">ne però ſi troveranno </s>
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