Marci of Kronland, Johannes Marcus, De proportione motus figurarum recti linearum et circuli quadratura ex motu, 1648

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              at verò impulſum minorem gravitate ſecundâ; baſim à cylindro non
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              excludet.
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              <s>Impulſus, quo orbiculus movetur quantumvis exiguus,
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              movere poteſt alium ſibi æqualem: At cùm gravitas huius ab
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              aliâ vi detinetur; non niſi á maiori impulſu, quàm ſit illa vis
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              motui renitens, moveri poteſt. </s>
              <s>Vt ſi globum ſtylo affixum
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              percutiat globus æqualis; illa quidem plaga non niſi ſtylo fra­
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              cto, aut avulſo globum movebit. </s>
              <s>Itaq cùm baſis cylindri
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              plurium acceſſione gravatur; neceſſe plagam ab orbiculo
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              illatam eſſe maiorem illâ acceſſoriâ gravitate: quâ velutí affi­
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              gitur plano: non ſolùm in principio motûs, ſed toto illo tra­
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              ctu, quo baſis eluctatur. </s>
              <s>Nam cùm huius motus non aliter,
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              quàm ſi corpus ſolidum continuatâ plagâ perrumpat, attera­
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              tur: ſi minor ſit quàm reſiſtentia illo tranſitu coacervata; mi­
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              nor
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              erit plaga: deficiet ergo motus priuſquam baſis
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              pertranſeat. </s>
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              THEOREMA IX.
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              Si baſim cylindri orbiculati percutiat alius orbiculus æqualis; habe­
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              at verò impulſum æqualem grauitati ſecundæ; excluſam baſim non
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              ultra cylindrum movebit.
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              <s>Nam quia baſim percutit alius orbiculus æqualis; habebit
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              ex illâ plagâ impulſum æqualem. </s>
              <s>Et quia gravitas ſecunda
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              huic eſt contraria, & ex ſuppoſitione æqualis; tollet pars qui­
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              dem gravitatis huius partem, tota verò gravitas totum im­
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              pulſum per poſit: 2 de propor: motûs. </s>
              <s>Cùm igitur gravitas
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              ſecunda diametro cylindri terminetur; deficiet impulſus, ubi
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              cylindrum exceſſit baſis. </s>
              <s>Et cùm non
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              impulſu moveatur,
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              non ultra cylindrum extendet motum. </s>
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