Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Figures
Thumbnails
page
|<
<
of 579
>
>|
<
archimedes
>
<
text
>
<
body
>
<
chap
>
<
p
type
="
main
">
<
s
id
="
s.000238
">
<
pb
pagenum
="
52
"
xlink:href
="
010/01/060.jpg
"/>
<
arrow.to.target
n
="
marg55
"/>
<
lb
/>
propterea quòd niſus grauitatis non exercetur late
<
lb
/>
raliter, ſed deorsùm. </
s
>
</
p
>
<
p
type
="
margin
">
<
s
id
="
s.000239
">
<
margin.target
id
="
marg55
"/>
Cap. 3. flui
<
lb
/>
dum in ſuo
<
lb
/>
toto quie
<
lb
/>
ſcens pon
<
lb
/>
derat.</
s
>
</
p
>
<
p
type
="
main
">
<
s
id
="
s.000240
">Hinc colligitur, quòd quotieſcumque ſupremum
<
lb
/>
lanæ inuolucrum perpendicularitèr incumbens ſu
<
lb
/>
peralterum, ſi ipſum non flecteret, nec ſtringeret,
<
lb
/>
tunc planè affirmandum eſſet lanam ſuperpoſitam̨
<
lb
/>
minimè ſuper ſubiectam lanam grauitatem exercere. </
s
>
</
p
>
<
p
type
="
main
">
<
s
id
="
s.000241
">His poſitis, ſupremum lanæ inuolucrum applica
<
lb
/>
ri poteſt ſuper infimum dum hoc actu per aerem mo
<
lb
/>
uetur deſcendendo deorſum, vel dum quieſcit à pla
<
lb
/>
no ſtabili fultum; in primo caſu manifeſtum eſt,
<
lb
/>
quòd inuolucra æqualia eiuſdem lanæ æquales gra
<
lb
/>
dus velocitatum
<
expan
abbr
="
habẽt
">habent</
expan
>
, quibus naturaliter deſcen
<
lb
/>
dunt; igitur ſupremum inuolucrum non deſcendet
<
lb
/>
tardiori, vel celeriori motu quàm ſibi
<
expan
abbr
="
ſubiectũ
">ſubiectum</
expan
>
, pro
<
lb
/>
indeque æquali velocitare ſuprema lana compri
<
lb
/>
mere conatur ſubiectam lanam, ac iſta nititur effu
<
lb
/>
gere perſequentem; proptereaque ſe mutuo placi
<
lb
/>
do contactu ſolummodò exoſculantur, nec ſubiecta
<
lb
/>
inflectetur, aut comprimetur à ſuperſtante lana:
<
lb
/>
igitur, ex ſuperiùs dictis incumbens lana nequè
<
expan
abbr
="
põ-dus
">pon
<
lb
/>
dus</
expan
>
, neque grauitatem exercebit ſupra fugientem
<
lb
/>
lanam ſubiectam. </
s
>
<
s
id
="
s.000242
">In ſecundo verò caſu ſi poſtquàm
<
lb
/>
in quiete ſubiecta lana compreſſa eſt à ſuperincum
<
lb
/>
bente ambas demittamus, & liberè deorſum
<
expan
abbr
="
deſcẽ-dere
">deſcen
<
lb
/>
dere</
expan
>
concedamus, pateteas motum inchoare quan
<
lb
/>
do iam reſtrictæ, & conſtipatæ ſunt, & ideò in pro
<
lb
/>
greſſu licèt paribus velocitatibus deſcendant, reti
<
lb
/>
n bunt tamen eandem conſtipationem, quam prius </
s
>
</
p
>
</
chap
>
</
body
>
</
text
>
</
archimedes
>