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

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            <s xml:id="echoid-s580" xml:space="preserve">
              <pb o="37" file="0061" n="61" rhead="LIBRO I."/>
            ſcoſte. </s>
            <s xml:id="echoid-s581" xml:space="preserve">Di vero chi è i
              <unsure/>
            tato mai, che intender poſ-
              <lb/>
            ſa
              <unsure/>
            , qual coſa ſieno in lor medeſime la gravità,
              <lb/>
            l’ elaſticità, ed altre t
              <unsure/>
            ali cagioni dì movimento,
              <lb/>
            e conoſcer l’ intrinſeca forma loro? </s>
            <s xml:id="echoid-s582" xml:space="preserve">Ariſtotele,
              <lb/>
            che impiegò quaſi tutta la ſua fiſica a voler ſco-
              <lb/>
            prire, qual foſſe la prima cagion del moto,
              <lb/>
            poco altro ſeppe dirne, ſe non che ella doveſſe
              <lb/>
            eſſer χκίνη
              <unsure/>
            τον τὶ κχὶ ὰὶδιον, un non ſo che immobile
              <lb/>
            e ſempite@@o; </s>
            <s xml:id="echoid-s583" xml:space="preserve">il che non baſtando a ſpiegar la na-
              <lb/>
            tura della coſa, baſtò a moſtrare fin dove giun-
              <lb/>
            ger poteſſe uno de’ maggiori ingegni di Grecia.
              <lb/>
            </s>
            <s xml:id="echoid-s584" xml:space="preserve">Non biſogna dunque pretendere di conoſcere con
              <lb/>
            chiarezza, e diſtinzione queſte potenze, che pro-
              <lb/>
            ducono il movimento, o lo diſtruggono; </s>
            <s xml:id="echoid-s585" xml:space="preserve">ma con-
              <lb/>
            tentarſi di averne un’ idea confuſa, e diſtinguer-
              <lb/>
            le ſol per gli effetti. </s>
            <s xml:id="echoid-s586" xml:space="preserve">Io vi dirò bene un coſtume,
              <lb/>
            che ell’ hanno quaſi tutte, o più toſto tutte, da
              <lb/>
            cui, per quanto ſi dice, mai non partono; </s>
            <s xml:id="echoid-s587" xml:space="preserve">ed è,
              <lb/>
            che mai non produccno un movimento grandiſ-
              <lb/>
            ſimo tutto ad un tempo; </s>
            <s xml:id="echoid-s588" xml:space="preserve">ma dando al corpo pri-
              <lb/>
            ma un piccoliſſimo impulſo, gli danno, ove pe-
              <lb/>
            rò impedito non ſia, un moto piccoliſſimo; </s>
            <s xml:id="echoid-s589" xml:space="preserve">cui
              <lb/>
            poſcia accreſcono con un’ altro impulſo, e poi
              <lb/>
            con un’ altro, e poi con un’ altro, finchè lo ri-
              <lb/>
            ducono ad una inſigne grandezza; </s>
            <s xml:id="echoid-s590" xml:space="preserve">e la potenza è
              <lb/>
            molte volte così ſollecita, e pronta in dar tali
              <lb/>
            impulſi, che in poco di tempo riduce il moto ad
              <lb/>
            una grandezza maraviglioſa. </s>
            <s xml:id="echoid-s591" xml:space="preserve">Il che però non ſa-
              <lb/>
            rebbe vero, ſe il corpo non conſervaſſe tutti i
              <lb/>
            movimenti, che di mano in mano ha ricevuti.</s>
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