Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

List of thumbnails

< >
191
191 		192
192
193
193 		194
194
195
195 		196
196
197
197 		198
198
199
199 		200
200
< >
page |< < of 303 > >|
    <archimedes>
      <text>
        <body>
          <chap id="N10019">
            <p id="N1758B" type="main">
              <s id="N1758D">
                <pb pagenum="250" xlink:href="005/01/258.jpg"/>
              ex vi præciſæ grauitatis, quæ ſanè vbi primò ſolum vel de­
                <lb/>
              tinens quippiam attingeret, ſiſteret, nec ſineret graue ipſum
                <lb/>
              rurſus attolli. </s>
              <s id="N1759B">Contra verò admiſſa productione impetus in
                <lb/>
              deſcenſu illorum, cum hic ſucceſsiuè intendatur in progreſ­
                <lb/>
              su, facilè intelligitur magis ea reſilire iuxta maiorem impe­
                <lb/>
              tum acquiſitum in maiori via. </s>
              <s id="N175A4">Quod ſi dicas impetum ad
                <lb/>
              reſiliendum produci ab ipſo plano, vel ſolo in
                <expan abbr="pilã">pilam</expan>
              luſoriam,
                <lb/>
              vel decidens quodlibet corpus, quod reſilit: hoc in primis
                <lb/>
              expreſsè eſt contra Ariſtotelem 8. phyſic. </s>
              <s id="N175B1">tex. 32. Qui
                <lb/>
              ſphæram ait à proijciente, non à pariete virtutem accipere
                <lb/>
              ad reſiliendum: nec minus contra experientiam cum teſta
                <lb/>
              impetu lata, & obliquè in aquarum ſuperficiem incidens,
                <lb/>
              longius inde reſiliat, tametſi paruam, aut nullam in fluido
                <lb/>
              corpore adinuenerit reſiſtentiam,
                <expan abbr="nullumq.">nullumque</expan>
              propterea pro­
                <lb/>
              prii impetus acquiſierit incrementum. </s>
              <s id="N175C6">Corpus enim quod
                <lb/>
              ſeritur, aut percutitur à proiectis, repellere illa dicitur non
                <lb/>
              producendo, nec augendo, ſed retorquendo in eis impe­
                <lb/>
              tum incuſſum à proijciente. </s>
              <s id="N175CF">Item non ſatis intelligitur im­
                <lb/>
              pulſum ad reſiliendum effici abſque motu locali impellentis
                <lb/>
              ſicut in reliquis omnibus impulſibus experimur. </s>
              <s id="N175D6">
                <expan abbr="Probaturq.">Probaturque</expan>
                <lb/>
              ex receptiſsimo illo Ariſtotelis axiomate, quod nullum
                <lb/>
              moueat niſi commotum, vt quæſt. </s>
              <s id="N175E0">33. explicabitur. </s>
            </p>
            <p id="N175E3" type="main">
              <s id="N175E5">Præterea videmus corpus fune appenſum huc atque il­
                <lb/>
              luc circumferri, per vnum quippe arcum deſcendendo, ac
                <lb/>
              per alium aſcendendo: ſed nequit aſcendere virtute graui­
                <lb/>
              tatis, qua ſolùm poteſt deſcendere: Ergo neceſſariò conce­
                <lb/>
              denda eſt alia virtus motiua, qua poſsit aſcendere; & hanc
                <lb/>
              vocamus impetum. </s>
              <s id="N175F2">Qui cum à nulla alia cauſa tunc poſsit
                <lb/>
              oriri, remanet, vt producatur ab eodem corpore agitato in
                <lb/>
              ipſo deſcenſu virtute ſuæ grauitatis, quæ eſt illi ratio princi­
                <lb/>
              paliter agendi, vt infra rurſus patebit. </s>
            </p>
            <p id="N175FD" type="main">
              <s id="N175FF">Neminem denique fugit celſis ex cacuminibus montium
                <lb/>
              cadentia ſaxa diſcindi per aera, nullis alijs illiſa corporibus;
                <lb/>
              & aquam ſupernè cadentem in progreſſu magis ac magis
                <lb/>
              d uelli, & in guttas reſolui. </s>
              <s id="N17608">Quod abſque impetu ab eo­
                <lb/>
              dem graui producto non poteſt intelligi; Cum aer nec ſaxa </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum