Fabri, Honoré, Tractatus physicus de motu locali, 1646
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              plures determinari poſſe, vt videbimus cum de motu reflexo
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              ; </s>
              <s id="N14F82">probatur quia
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              motus deorſum eſt finis huius impetus; </s>
              <s id="N14F88">quia ideo corpus graue produ­
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              cit in ſe impetum (ſi tamen producit) vt tendat deorſum, vt certum eſt; </s>
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              tàm enim omne graue non impeditum tendit deorſum, quàm omnis
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              ignis eſt calidus; </s>
              <s id="N14F95">igitur ſi eſt proprietas omnis ignis eſſe calidum, quia
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              omni competit; </s>
              <s id="N14F9B">ita omni graui competit tendere infrà leuius, modò
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              non impediatur; </s>
              <s id="N14FA1">igitur eſt eius proprietas; </s>
              <s id="N14FA5">igitur ille impetus eſt de­
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              terminatus ad lineam quæ tendit deorſum; </s>
              <s id="N14FAB">ſed de hoc impetu naturali
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              innato fusè agemus infrà in ſecundò libro; nunc ſufficiat dixiſſe poſſe
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              dari aliquem impetum ita determinatum ad certam lineam, vt ad aliam
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              determinari non poſſit naturaliter, nulla eſt enim repugnantia. </s>
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              Theorema
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              116.
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              Impetus determinatur aliquando ad lineam motus à potentia motrice
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              ; </s>
              <s id="N14FCE">pro­
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              batur, quia primus impetus ab ipſa potentia productus ſine impedimen­
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              to ab alio determinari non poteſt; potentia porrò motrix vel eſt gra­
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              uium, vel leuium, vel animantium, vel proiectorum, vel compreſſo­
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              rum, &c. </s>
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              Theorema
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              117.
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              </s>
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              Potentia verò motrix determinatur vel à ſuo fine intrinſeco, vel potius ab
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              ipſa ſua natura
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              ; </s>
              <s id="N14FF5">ſic grauitas ſeu potentia motrix grauium determinata
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              eſt ad motum deorſum perpendicularem, dum in medio libero corpus
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              graue mouetur; vel à plano inclinato; </s>
              <s id="N14FFD">pro cuius diuerſa inclinatione
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              diuerſa eſt linea motus deorſum; </s>
              <s id="N15003">vel ab ipſa via, ſeu exitu patefacto;
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              ſic potentia motrix compreſſorum ſuas vires exerit, & mobile ipſum
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              agit, quâ patet viâ, ſurſum, deorſum &c. </s>
              <s id="N1500B">vel ab appetitu ſeu libero, ſeu
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              ſenſitiuo; </s>
              <s id="N15011">ſic potentia progreſſiua animantium cò corpus agit, quò iu­
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              bet appetitus, vel ab aliqua affectione intrinſeca intrinſecùs vel extrin­
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              ſecùs adueniente; </s>
              <s id="N15019">ſic dilatatur pupilla, vel contrahitur pro diuerſa lu­
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              minis appulſi vi, vel obiecti diſtantia: Huc reuoca motus illos natura­
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              les, qui animalibus competunt v. g. tuſſis, ſingultus, ſternutationis, &c. </s>
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              de quibus fusè ſuo loco. </s>
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              Theorema
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              118.
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              </s>
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              Impetus determinatur aliquando ad lineam ab alio impetu producente
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              ; </s>
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              ſic impetus corporis proiecti determinatur ab impetu vel organi vel
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              manus proiicientis; </s>
              <s id="N15049">quia nihil eſt aliud à quo determinari poſſit, vt
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              patet; </s>
              <s id="N1504F">adde figuram organi, diſpoſitionem ſeu ſitum mobilis, quod ma­
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              nu tenetur; </s>
              <s id="N15055">impedimenti etiam habetur ratio v. g. corpus oblongum
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              proiici poteſt, vel motu recto ad inſtar teli, vel motu mixto ex recto
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              & circulari; cum ſcilicet diuerſimodè vibratur: </s>
              <s id="N15061">ſi enim altera extremi­
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              tas adhuc hæreat in manu, dum altera mouetur, vt cum quis baculo
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              ferit; </s>
              <s id="N15069">tunc certè eſt aliquòd impedimenti genus, ex quo oritur talis li­
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              nea motus; illud autem impedimentum emergit ex diuerſa applicatione
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              diuerſaque brachij vibratione, quæ omnia ſunt ſatis clara. </s>
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