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# Title: Phoronomia, Sive De Viribus Et Motibus Corporum Solidorum Et Fluidorum Libri Duo (shelfmark Leibn. Marg. 182)
# Folio 55, page id 1066518432:0083
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n
d.
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ta
DE VTREBOS ET NIOTTBOS CORBOROM. LIB. I. 55
Eta vel curra incedentis in celeritatis crescentis vel decrelcentis ele-
mentum. Si in Peala celeritatum AVF, rectansulum RF. af, vel
xec lum eaf est momentum celeritatis P F elemento af crelcentis,
qua mobile spatiolum Fe, transmittit, ec rectansulum ef. fa est mo-
mentum celeritatis decrescentis ef, qua mobile A ex puncto aXI5 e,
vel in curra MON mobile M ex puncto n in altum feruntur retar-
dato motu, et fa decrementum infinitesimum celeritaris decrelcen-
eis ef, cum mobilia ascendune in spatiolis er et nH, ex F F celeriu
tas residua erit in rectae puncto F aut currae puncto N.
XTI.
726. Ad designandum tempus quo unusquisque motus absolvitur,
utemur nota characteristica temporis t spatio percurlo aut conti-
ciendo praetigenda. Sic tAF denocabie tempus, quo mobile A (p a-
tium AF. accelerato suo motu cadendo absolvit, ee sc significabit
tempus quo elementum Bc axis AD uniformi motu percurritur. PF
sic de reliquis.
OSTVL A TVM.
127. Petitur ub concedatuE, motum desCeNSUS alCeNSIISVe Per
axis elementum Pe, vel currae Nn, sumi posse tanquam uniformem
et aequabilem, quoties mobilia A ex M haec spatiorum elementa
celeritate finitxe magnitudinis, prae incremento vel decremento ejus
intinitesimo percurrere incipiune, licet motus in iisdem spatiis
reapse rariaci sint, quoniam celeritatum incrementa vel decrementa
infinitelima, durante descensu vel ascensu mobilibus A ex MI super-
addica vel ademta, eraneseune prae relocitacibus finitis, quibus cor-
Pora spaciola FC, Nn transmitcunt.
OR OLE A R Z U M
128. Flinc quia spatia aeuabili motu percurla sunt in composita
ratione cemporu a Velocitatum, ipla tempora, quibus praedicta
rectae vel currae elementa percurruntur, erunt, ut haec elementa ap-
Plicata ad celeritatem, qua percurruntur; sic tEC =Be: FF, et
tAn = Hn: EF; unde Le = F F. tBC, ec AIN = F F. FVn.