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

Table of figures

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              Cap. 10. de
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              æquitempo­
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              ranea natu­
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              rali veloci­
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              tate
                <expan abbr="grauiũ">grauium</expan>
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              PROP. CCIV.
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              Pondera inæqualia non producunt inæquales velocitates, ſed
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              vnam, & eamdem.
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              <s id="s.002193">HOc conſtat ex dictis in noſtro libro de vi per­
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              cuſſionis. </s>
              <s id="s.002194">Quia duorum corporum velocita­
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              tes non menſurantur ab ipſis ponderibus, vt
                <expan abbr="nimirũ">nimirum</expan>
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              eorum velocitates proportionales ſint ponderibus,
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              quandoquidem corpora quorum grauitates valdè in­
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              ter ſe differunt poſſunt vna, & eadem velocitate de­
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              ſcendere, propterea quod minimæ particulæ mate­
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              riales corporeæ æquè graues ſupponendæ ſunt, & hæ
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              ſibi ipſis ſuperadditæ minimè augere velocitatem̨
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              poſſunt
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              vna alteram impellere nequeat, tùm quia
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              omnes habent æquales vires motiuas, cùm
                <expan abbr="etiã">etiam</expan>
              quia
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              vis æqualis in ei æqualem agere non poteſt, & ideò
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              eam non promouebit, proindeque velocitas non au­
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              gebitur ſicuti decem canes venatici ęquè veloces in­
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              ter ſe connexi, & ſimùl currentes non percurrent ma­
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              ius ſpatium, quàm vnus eorum eodem tempore, qua­
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              re licèt moles corporea augeatur, & tantumdem
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                dus</expan>
              creſcat multipliceturque, non proindè vis moti­
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              ua intenſiuè augetur, ſed tantummodò extenſiuè,
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              quatenùs expanditur vniformi diſtributione in om­
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              nes materiæ grauis particulas, & ſic velocitatem au­
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              gere nequeunt. </s>
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              <s id="s.002195">Præterea adeo falſum eſt velocitates deſcenſuum
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              proportionales eſſe ponderibus corporum inæqua-</s>
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