Borelli, Giovanni Alfonso De motionibus naturalibus a gravitate pendentibus 1670

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<arrow.to.target n="marg2"/></s> </p>

<p type="margin"> <s id="s.000035"><margin.target id="marg2"/>Cap. 1. de <lb/>
momentis <lb/>
grauium in <lb/>
fluido inna&shy;<lb/>
tantium.</s> </p>

<p type="main"> <s id="s.000036"><emph type="center"/><emph type="italics"/>SVPPOSITIO I.<emph.end type="italics"/><emph.end type="center"/><!-- KEEP S--></s> </p>

<p type="main"> <s id="s.000037">Suppono prim&ograve; qu&ograve;d quodlibet corpus, &longs;iu&egrave; den&shy;<lb/>
&longs;um, &longs;iu&egrave; fluidum, ex ijs qu&aelig; globum terra-queu&mtail; <lb/>
componunt, graue e&longs;t, exercetque vim &longs;e&ugrave; conatum <lb/>
&longs;u&aelig; grauitatis, etiam &longs;i in fluido &longs;ibi aut homogeneo, <lb/>
aut non, con&longs;tituatur. </s> <s id="s.000038">hoc autem &longs;uo loco euidenti&longs;&shy;<lb/>
&longs;imis rationibus, ac experimentis confirmabitur. </s> </p>

<p type="main"> <s id="s.000039"><emph type="center"/><emph type="italics"/>SVPPOSITIO II.<emph.end type="italics"/><emph.end type="center"/><!-- KEEP S--></s> </p>

<p type="main"> <s id="s.000040">Secundo loco &longs;uppono vim, &longs;e&ugrave; conatum, quo flui&shy;<lb/>
da nituntur &longs;e&longs;e vnire &longs;ph&aelig;r&aelig; terraque&aelig;, effici per <lb/>
lineas perpendiculares ad &longs;uperficiem horizontis. </s> <s id="s.000041">&amp; <lb/>
hoc patet quia quodlibet graue naturali in&longs;tinctu co&shy;<lb/>
natur ad centrum terr&aelig; accedere via breui&longs;&longs;ima, igi&shy;<lb/>
tur directio pr&aelig;dicti motus, &longs;e&ugrave; conatus compre&longs;&longs;iuus <lb/>
efficietur per &longs;emidiametros eiu&longs;dem terr&aelig;, h&aelig; ver&ograve; <lb/>
perpendiculares &longs;unt ad &longs;uperficiem horizontalem, <lb/>
qu&aelig; &longs;ph&aelig;ric&egrave; ip&longs;am terram comprehendit, igitur ma&shy;<lb/>
nife&longs;tum e&longs;t qu&ograve;d motus &longs;e&ugrave; conatus compre&longs;&longs;iuus <lb/>
omnium partium fluidi per lineas ad horizontem per&shy;<lb/>
pendiculares efficitur. </s> </p>

<p type="main"> <s id="s.000042"><emph type="center"/><emph type="italics"/>SVPPOSITIO III.<emph.end type="italics"/><emph.end type="center"/><!-- KEEP S--></s> </p>

<p type="main"> <s id="s.000043">Terti&ograve; quod libet corpus graue e&longs;t impo&longs;&longs;ibile vt <lb/>
moueatur motu &longs;pontaneo, &amp; naturali, quando ad <expan abbr="c&etilde;-trum">cen&shy;<lb/>
trum</expan> telluris minim&egrave; approximari pote&longs;t. </s> <s id="s.000044">hoc mani&shy;<lb/>
fe&longs;tum e&longs;t quia c&ugrave;m omnes partes terren&aelig; vt graues <lb/>
naturali in&longs;tinctu ad terr&aelig; centrum accedere conen-