Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

Table of figures

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              eſt, deſcendet grauius corpus A celeriùs, vel tardiùs,
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                <expan abbr="quã">quam</expan>
              B; & primò ſi fieri poteſt moueatur grauius cor­
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              pus A in vacuo maiori celerita­
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              te, quàm B, ſcilicèt eodem tem­
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              pore G pertranſeat graue A ma­
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              ius ſpatium CD corpus verò B,
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              minùs ponderans, percurrat ſpa­
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              tium CE minùs, quàm CD, con­
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              cipiantur poſtea duo corpora A,
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              & B ſimul colligata, aut coniun­
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              cta, vt nimirum vnum ſine altero
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              moueri nequeat, & ſic connexą
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              percurrant
                <expan abbr="eodẽ">eodem</expan>
              tempore G ſpa­
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              tium CF. quoniam tùm corpus A cùm B habent gra­
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              dus certos, ac determinatos velocitatum ſibi à natu­
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              ra aſſignatos, qui per ſe omninò inuariabiles ſunt, niſi
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              ab aliqua externa cauſa ſuperueniente alterentur, &
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              ex hypotheſi gradus naturalis velocitatis ipſius A
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              maior eſt ea, quæ competit ipſi B; igitur validior, &
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              vehementior gradus velocitatis ipſius A promouebit
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              vrgebitque tardigradum mobile B, quod proindè co­
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              gatur celeriùs excurrere, quàm per ſe, & abſque illa
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              violentia latum fuiſſet. </s>
              <s id="s.002358">E contra corpus tardius B re­
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              moram afferet velociori corpori A, quod proindè tar­
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              diùs in prædicto tempore mouebitur; quaproptèr
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              duo grauia A, & B ſimul connexa, ſcilicèt amborum
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              aggregatum percurret deſcendendo eodem tempore
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              G ſpatium CF, minus quidem, quàm CD, ſed maius,
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              quàm CE, eſtque aggregatum ex A, & B grauius,
                <expan abbr="quã">quam</expan>
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