Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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            <p id="N1549E" type="main">
              <s id="N154A0">
                <pb pagenum="179" xlink:href="005/01/187.jpg"/>
              quiete,
                <expan abbr="magisq.">magisque</expan>
              in velociori motu, quàm in tardiori. </s>
              <s id="N154BC">Quam­
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              uis in rigore loquendo virtus illa grauium, quæ augetur in
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              motu, non ſit eadem propriè ipſa grauitas per maiorem in­
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              tentionem ſui ipſius, ſeu acquiſitionem aliorum graduum
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              eiuſdem qualitatis in ſpecie, ſed potius ſit impetus ipſorum,
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              grauium, vel à proijciente impreſſus, vel per ipſam grauita­
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              tem deſcendentis oneris in eodem onere productus dum
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              præceps fertur ad ima, ac ſucceſsiuè in ſe impetum au­
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              get. </s>
              <s id="N154CF">Quamobrem in motu ſecuris tendentis deorſum ad
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              ſcindendum aliquod lignum, vterque impetus prædictus
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              concurrit, nempe & ille, qui à ſcindente fuit impreſſus, &
                <lb/>
              is qui ab ipſa grauitate in deſcenſu producitur, ac ſucceſ­
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              ſiuè ſemper augetur. </s>
              <s id="N154DA">Quod tamen non ita ſe habet dum
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              ligna non ſcinduntur per motum deorſum, ſed ſurſum ad­
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              mouendo, ac vibrando ipſam ſecurim, vt ad amputandum
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              ramum ex arbore; Nam tunc non intercedit niſi ſolus im­
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              petus admouentis; & iccirco diximus huiuſmodi motum
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              ſecuris à duplici, vel triplici cauſa procedere; cum gra­
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              uitas innata ſemper ad ipſam percuſsionem, aut inciſio­
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              nem concurrat ſicut impetus impreſſus ab incidente; im­
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              petus verò à grauitate productus, vel auctus, tantum­
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              modo in deſcenſu, hoc eſt cum ad ſcindendum tendit
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              deorſum. </s>
            </p>
            <p id="N154F1" type="main">
              <s id="N154F3">Omninò autem quilibet motus ſecuris, prout mos eſt
                <lb/>
              illam in ſcindendo adhibere, validiſsimus etiam conſtitui­
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              tur ex ipſa circulatione quam efficit. </s>
              <s id="N154FA">Nam ex hac maior
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              velocitas, & ex maiori velocitate efficacior ictus proce­
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              dit. </s>
              <s id="N15501">Tanto enim fortius corpus quodlibet in aliud impin­
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              git, quantò celerius fertur, ac magis eius moles agitatur.
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              </s>
              <s id="N15507">Celerius autem fertur ſecuris per motum circularem, ma­
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              giſque agitatur, quàm quolibet alio motu; Alioquin ſi
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              rectà, verbi gratia moueretur ſimul cum manu, tantùm
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              ſpacij percurreret eodem tempore, quantum ipſa manus;
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              vt ſi ſecuris ex loco A ſimul ac manus manubrio appli­
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              cata ex loco B, rectà deſcenderent verſus lineam CD </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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