Fabri, Honoré
,
Tractatus physicus de motu locali
,
1646
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31 - 60
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361 - 390
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451 - 480
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<
chap
id
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N22A20
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<
p
id
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N238F5
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type
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main
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<
s
id
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N23907
">
<
pb
pagenum
="
312
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xlink:href
="
026/01/346.jpg
"/>
perpendicularis; </
s
>
<
s
id
="
N23910
">haud dubiè producit maiorem impetum in O, quàm in
<
lb
/>
LH quippè in D nullo modo grauitat in ſuppoſitam manum, in H mi
<
lb
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nùs grauitat, in O maximè; ſed qua proportione plùs, vel minùs graui
<
lb
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tat, producit maiorem vel minorem impetum, vt patet. </
s
>
</
p
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<
p
id
="
N2391A
"
type
="
main
">
<
s
id
="
N2391C
">
<
emph
type
="
center
"/>
<
emph
type
="
italics
"/>
Theorema
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emph.end
type
="
italics
"/>
11.
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emph.end
type
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center
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</
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</
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<
p
id
="
N23928
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type
="
main
">
<
s
id
="
N2392A
">
<
emph
type
="
italics
"/>
Impetus, quem producit in H, eſt ad impetum, quem producit in O, vt HC
<
lb
/>
ad DA vel OA.
<
emph.end
type
="
italics
"/>
</
s
>
<
s
id
="
N23933
"> Probatur, quia grauitatio in H eſt ad grauitationem in
<
lb
/>
O, vt CH ad DA, vt demonſtratum eſt ſuprà lib. de motu in planis in
<
lb
/>
clinatis; </
s
>
<
s
id
="
N2393B
">ratio eſt, quia in ea proportione maior eſt, vel minor grauita
<
lb
/>
tio, in qua plùs vel minùs impeditur; </
s
>
<
s
id
="
N23941
">atqui in O non impeditur; </
s
>
<
s
id
="
N23945
">quia li
<
lb
/>
nea determinationis ad motum eſt eadem cum linea grauitationis; </
s
>
<
s
id
="
N2394B
">quip
<
lb
/>
pè globus O grauitat per
<
expan
abbr
="
Oq;
">Oque</
expan
>
ſed OQ eſt Tangens puncti O; </
s
>
<
s
id
="
N23955
">igitur eſt
<
lb
/>
linea determinationis in puncto O; </
s
>
<
s
id
="
N2395B
">igitur linea determinationis in pun
<
lb
/>
cto O eſt eadem cum linea grauitationis; at verò in H linea grauitatio
<
lb
/>
nis eſt HG, & determinationis HF diuerſa à priore, ſed de his iam plu
<
lb
/>
ra aliàs. </
s
>
</
p
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<
p
id
="
N23965
"
type
="
main
">
<
s
id
="
N23967
">
<
emph
type
="
center
"/>
<
emph
type
="
italics
"/>
Scholium.
<
emph.end
type
="
italics
"/>
<
emph.end
type
="
center
"/>
</
s
>
</
p
>
<
p
id
="
N23973
"
type
="
main
">
<
s
id
="
N23975
">Obſeruabis globum prædictum in H diuerſimode poſſe ſuſtineri. </
s
>
<
s
id
="
N23978
">Pri
<
lb
/>
mò, per Tangentem HI. </
s
>
<
s
id
="
N2397E
">Secundò applicata potentia in F per FH. Tertiò,
<
lb
/>
per horizontalem HV tracto ſcilicet fune. </
s
>
<
s
id
="
N23983
">Quartò, per HK. Quintò, per
<
lb
/>
GH. </
s
>
<
s
id
="
N23988
">Sextò denique in aliis punctis intermediis applicari poteſt poten
<
lb
/>
tia; </
s
>
<
s
id
="
N2398E
">ſi primo modo, & ſecundo potentia ſuſtinens pondus in H eſt ad
<
lb
/>
ſuſtinentem in D ex A vel in O ex Q vt HC ad DA vel HA; </
s
>
<
s
id
="
N23994
">ad ſuſti
<
lb
/>
nentem verò ex A in H, vt CH ad CA, ſi tertio per HV potentia ap
<
lb
/>
plicata in V eſt ad applicatam in A, dum vtraque ſimul agat vt HC ad
<
lb
/>
HA; </
s
>
<
s
id
="
N2399E
">ſi quarto modo applicata in K æqualis eſt applicatæ in A, itemque
<
lb
/>
applicata in Y per YH, vel in O per OH, poſita HZ æquali HA; </
s
>
<
s
id
="
N239A4
">ſi
<
lb
/>
quinto modo applicata in G per GHS ſuſtinet totum pondus, itemque
<
lb
/>
applicata in S per SH; ſi denique ſexto modo, pro rata. </
s
>
</
p
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<
p
id
="
N239AC
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type
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main
">
<
s
id
="
N239AE
">Obſeruabis ſecundò rem omninò ſcitu digniſſimam, eſſe duas tantùm
<
lb
/>
lineas, quibus applicata potentia totum pondus ſuſtinet, ſcilicet GH, HS,
<
lb
/>
eſſe quoque duas quibus applicata potentia pondus pendulum ſuſtinens
<
lb
/>
in dato puncto puta H, habet minimam rationem, quæ haberi poſſit ad
<
lb
/>
potentiam applicatam in A per AH; ſunt autem illæ CH, HV, quæ eſt
<
lb
/>
ipſa horizontalis. </
s
>
</
p
>
<
p
id
="
N239BC
"
type
="
main
">
<
s
id
="
N239BE
">Obſeruabis tertiò, applicatam in puncto C per CH eſſe minimam
<
lb
/>
earum omnium, quæ cum alia applicata in A per HA pendulum pondus
<
lb
/>
ſuſtinere poſſit; </
s
>
<
s
id
="
N239C6
">aliàs verò hinc inde applicatas eſſe maiores, v.g. applica
<
lb
/>
tam in E per EH eſſe ad applicatam in A per HA, vt EH ad HA; </
s
>
<
s
id
="
N239CE
">appli
<
lb
/>
catam verò in Z eſſe ad
<
expan
abbr
="
eãdem
">eandem</
expan
>
vt ZH ad HA; applicatam in T vt
<
lb
/>
TH ad HA, &c. </
s
>
<
s
id
="
N239DA
">ſunt autem 4.æquales exceptis maxima, quæ totum pon
<
lb
/>
dus ſuſtinet per lineas HS GH, & minimâ, quæ cum applicata in A mi
<
lb
/>
nimis viribus ſuſtinet, per lineas CH HV; </
s
>
<
s
id
="
N239E2
">ſi verò aſſumantur quæcum
<
lb
/>
que aliæ lineæ, ſunt 4. æquales v.g. accipiatur EH, ſit HB ipſi æqualis </
s
>
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text
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