Baliani, Giovanni Battista, De motv natvrali gravivm solidorvm et liqvidorvm

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                  metiemur, quae securi opponitur; sed partium
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                  itidem ei a latere cohaerentium, & sic porro
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                  affixarum, ut ab eis difficulter divelli queat.
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                  <s id="s.000966">Quantumvis autem huius resistentiae poten­
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                  tia minus percipiatur, hoc unum est, quod qualis
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                  qualis sit, velocitati securis contranititur, eam­
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                  que tali ratione retundit, ut quantum ei tri­
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                  buitur, tantundem velocitati detrahatur; un­
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                  de
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                  si resistentia addita sit priori decupla, aut
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                  centupla, velocitas reducitur ad decimam par­
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                  tem seu centesimam eius quae prius aderat,
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                  unde spatij quod securis per aerem peregit dum
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                  nil obstaret, addita postmodum ligni obvij re­
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                  sistentia, in aequali tempore, decimam pariter
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                  aut centesimam conficit portionem. </s>
                  <s id="s.000967">Quandiu
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                  vero lignum permeat, resistentia success­
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                  ive augetur; partes quippe ligni ab ipsiusmet
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                  securis compressione fiunt densiores, praeter
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                  quam quod saepius, quo ea altius intruditur,
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                  eo plures sunt partes cohaerentes divellendae.
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                  <s id="s.000968">Utcunque sit, certum est quod dum impetus inci­
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                  pit minui, & est successive minor proportio ac­
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                  tionis securis ad ligni resistentiam, velocitas
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                  non modo successive minuitur, sed paula­
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                  tim deficit. </s>
                  <s id="s.000969">Quod
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                  idem sequitur de impetu,
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                  qui cum velocitate pari passu procedit; unde
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                  quantum velocitati detrahitur, tantundem
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                  impetus minuitur; qui proinde cessante mo­</s>
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