Fabri, Honoré, Tractatus physicus de motu locali, 1646
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              fortè aliqua pars ſeparetur, vel comprimatur. </s>
              <s id="N27BE1">8°. </s>
              <s id="N27BE4">producitur tamen
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              împetus in organo; probatur ex niſu; immò & compreſſione molliorum
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              partium. </s>
              <s id="N27BEC">9°. </s>
              <s id="N27BEF">quando duo ſeſe mutuò, & æquali niſu pellunt, vterque in ſe
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              ipſo, & in alio producit impetum; </s>
              <s id="N27BF5">in ſe quidem, quia maximè euitetur,
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              & defatigatur potentia motrix; in alio verò, in quo fit aliqua partium
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              compreſſio, quæ ſine impetu
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              fit. </s>
              <s id="N27C01">10°. </s>
              <s id="N27C04">ſi os pelleret os, ſeu corpus
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              durum aliud durum, natiua vi diſtincta à grauitatione, in neutro pro­
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              duceretur impetus; </s>
              <s id="N27C0C">quia eſſet fruſtrà: vide quæ diximus ſuprà de tra­
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              ctione. </s>
              <s id="N27C12">11°. </s>
              <s id="N27C15">pellens etiam firmo pede ſolum, in aduerſam partem pellit,
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              ſeu premit; rationem iam attulimus ſuprà. </s>
              <s id="N27C1B">12°. </s>
              <s id="N27C1E">ſi dum reluctantem alium
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              & contranitentem pellis, ſeſe illicò cedens eripiat, pronus in terram
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              corrues. </s>
              <s id="N27C25">13°.ſí plures idem pondus pellant, actione communi impetum
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              producunt; hæc, & alia multa ex dictis de tractione facilè per eadem
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              principia demonſtrantur. </s>
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              Theorema
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              8.
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              Attolli aliquid poteſt & eleuari,
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              1°. </s>
              <s id="N27C45">ſi producatur impetus maior impe­
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              tu grauitationis; ratio clara eſt, quia fortior præualet. </s>
              <s id="N27C4B">2°. </s>
              <s id="N27C4E">deſtruitur ſe­
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              cundo inſtanti aliquid impetus producti; quia eſt fruſtrà propter
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              impetum natiuum. </s>
              <s id="N27C56">3°. </s>
              <s id="N27C59">ſi tantùm producatur impetus ſingulis in­
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              ſtantibus, quantum deſtruitur, motus erit æquabilis, ſi plùs, acceleratus,
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              ſi minùs, retardatus, patet ex dictis.4°.pondus attollitur initio difficiliùs
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              propter rationem prædictam; minùs enim produci debet impetus ſecun­
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              do inſtanti, quàm primò. </s>
              <s id="N27C65">5°. </s>
              <s id="N27C68">ſub funem tamen valdè laborat potentia
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              propter
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              , & tenſionem partium, de qua ſuprà.6°. </s>
              <s id="N27C71">difficiliùs
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              attollitur ingens pondus, quàm modicum; ratio clara eſt, quia plures
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              partes impetus imprimi debent maiori, cui plures inſunt, quàm minori. </s>
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              7°. </s>
              <s id="N27C7D">facilius attollitur per planum inclinatum, quàm per lineam vertica­
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              lem deorſum, rationem iam attulimus l. 5. 8°. </s>
              <s id="N27C84">hinc etiam organo me­
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              chanico faciliùs attollitur pondus, de quo lib. 11. 9°. </s>
              <s id="N27C89">licèt grauitas non
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              reſiſteret, corpus maius difficilius attolleretur, quàm minus; quia plures
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              partes impetus illius motus deſideraret, quàm huius, ſed maior impetus
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              difficiliùs imprimitur, quàm minor. </s>
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              Theorema
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              9.
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              </s>
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              Corpus
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              1°.
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              deprimitur per impetum infra medium grauius, v. g. lignum̨
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              infra aquam
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              ; ratio clara eſt. </s>
              <s id="N27CB8">2°. </s>
              <s id="N27CBB">deprimitur, vel trahendo, vel impellen­
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              do, vel calcando. </s>
              <s id="N27CC0">3°. </s>
              <s id="N27CC3">trahimus ſæpè deorſum, vt corpus attollatur ſur­
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              ſum, vt in trochleis. </s>
              <s id="N27CC8">4°. </s>
              <s id="N27CCB">quò corpus maius eſt, & leuius difficiliùs depri­
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              mitur infra medium grauius, quia non poteſt deprimi niſi plures medij
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              grauiores partes attollantur, vt clarum eſt; exemplum habes in nauibus,
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              5°. </s>
              <s id="N27CD5">deprimimus aliquando corpora per tenſionem, vt ramos arborum,
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              ſeu per librationem, vt campanarum funes, ſeu extremos vectes. </s>
              <s id="N27CDA">6°. </s>
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              clauus deprimitur, vel palus tribus modis. </s>
              <s id="N27CE1">1°. </s>
              <s id="N27CE4">percuſſione; 2°. </s>
              <s id="N27CE7">ia­
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              ctu ſeu eiaculatione. </s>
              <s id="N27CEC">3°. </s>
              <s id="N27CEF">impulſione; de hac iam ſuprà actum eſt, de dua­
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              bus primis paulò pòſt agetur, ſed hæc ſunt facilia, & faciles cauſæ. </s>
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