Fabri, Honoré, Tractatus physicus de motu locali, 1646

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              nimo etiam ictu moueri; </s>
              <s id="N12CDA">quod etiam obſeruauit Galileus in ſuis dialo­
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              gis de motu; </s>
              <s id="N12CE0">quem certè motum obſeruabis etiam inſenſibilem, tùm
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              operâ radij luminis repercuſſi, & ad aliquod interuallum proiecti; </s>
              <s id="N12CE6">tùm
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              operâ ſeu piſorum in tympani membranâ tremulo quaſi motu ſubſul­
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              tantium; quâ etiam arte deprehenditur in arce obſeſſa, ſub quam muri
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              partem cuniculi agantur. </s>
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              Corollarium
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              1.
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              </s>
            </p>
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              <s id="N12D01">Hinc egregia ratio erui poteſt, cur ingens corporis moles à debili po­
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              tentia loco moueri non poſſit; </s>
              <s id="N12D07">cum enim tot ſaltem requirantur partes
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              impetus, quot ſunt partes ſubiecti: </s>
              <s id="N12D0D">quia vel in omnibus, vel in nulla
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              producitur; </s>
              <s id="N12D13">certè cum ſint plures partes ſubiecti, quàm vt in ſingulis
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              ab ea dumtaxat potentiâ impetus produci poſſit; quid mirum eſt, ſi mo­
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              ueri non poſſit. </s>
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            <p id="N12D1B" type="main">
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              Collorarium
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              2.
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              </s>
            </p>
            <p id="N12D2A" type="main">
              <s id="N12D2C">Hinc certa ratio alterius vulgaris effectus potentiæ motricis, quæ lapi­
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              dem 40. librarum tardo tantùm motu impellit, etiam cum ſummo niſu,
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              cum tamen ſaxo vnius libræ velociorem motum imprimat; </s>
              <s id="N12D34">quia ſcilicet
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              partes impetus producti diſtribuuntur pluribus partibus ſubiecti in ma­
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              iori lapide, & paucioribus in minori; </s>
              <s id="N12D3C">igitur ſingulæ partes minoris
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              habent plures partes impetus, vt manifeſtè conſtat; </s>
              <s id="N12D42">ergo ille impetus
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              intenſior eſt; igitur maiorem exigit ſeu perfectiorem motum per Ax.
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              13. num.2. </s>
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                <emph type="center"/>
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              Collorarium
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              3.
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              </s>
            </p>
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              <s id="N12D5C">Hinc ſublata ratione diuerſæ reſiſtentiæ medij, dato pondere
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              mobilis vtriuſque, datoque niſu communi potentiæ, poteſt de­
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              terminari certus velocitatis gradus vtriuſque; </s>
              <s id="N12D64">nam ratio velocitatum
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              eſt inuerſa ponderum v. g. ſit pondùs 4. librarum; </s>
              <s id="N12D6E">fit etiam 2. librarum
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              ſit impetus impreſſus vtrique ſuppoſito communi, & æquali niſu
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              potentiæ, & æquali tempore; </s>
              <s id="N12D76">haud dubiè velocitas mobilis 2. libra­
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              rum erit dupla velocitatis mobilis 4. librarum; </s>
              <s id="N12D7C">quia cum ſint duplo
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              plures partes ſubiecti in hoc mobili quàm in illo (accipio enim vtrum­
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              que eiuſdem materiæ, vt omnes lites fugiam) igitur in minori eſt duplo
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              intenſior impetus: Igitur duplo velocior motus; </s>
              <s id="N12D86">dixi, ſi fiat æquali
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              niſu, & æquali tempore; </s>
              <s id="N12D8C">quia reuerâ non fit in tempore æquali, ſed
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              inæquali, ſi ſupponatur idem arcus brachij v. g. iacientis; </s>
              <s id="N12D96">nam tempo­
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              ra ſunt in ratione ſubduplicata ponderum; vt demonſtrabimus lib. 10.
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              & velocitates ſunt vt tempora permutando. </s>
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              Collorarium
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              4.
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              </s>
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              <s id="N12DAF">Hinc facilè determinari poteſt proportio impetus impreſſi cognitâ
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              grauitate mobilium; </s>
              <s id="N12DB5">v. g. ſit mobile graue vt4. & aliud graue vt 2. haud
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              dubiè vt moueatur æquali gradu velocitatis, debet produci duplo
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              maior impetus in maiori mobili, hoc eſt, iuxta rationem maioris ad mi­
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              nus, quod clariſſimè ſequitur ex dictis; </s>
              <s id="N12DC3">vt enim tot ſint gradus impetus </s>
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