Fabri, Honoré
,
Tractatus physicus de motu locali
,
1646
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Figures
Thumbnails
Page concordance
<
1 - 30
31 - 60
61 - 90
91 - 120
121 - 150
151 - 180
181 - 210
211 - 240
241 - 270
271 - 300
301 - 330
331 - 360
361 - 390
391 - 420
421 - 450
451 - 480
481 - 491
>
Scan
Original
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
<
1 - 30
31 - 60
61 - 90
91 - 120
121 - 150
151 - 180
181 - 210
211 - 240
241 - 270
271 - 300
301 - 330
331 - 360
361 - 390
391 - 420
421 - 450
451 - 480
481 - 491
>
page
|<
<
of 491
>
>|
<
archimedes
>
<
text
>
<
front
>
<
section
>
<
pb
xlink:href
="
026/01/014.jpg
"/>
<
p
id
="
N1064E
"
type
="
main
">
<
s
id
="
N10650
">4. Hinc ſingulis temporibus æqualibus deſtruitur gradus impe
<
lb
/>
tui innato; </
s
>
<
s
id
="
N10656
">eſt enim eadem ratio pro omnibus: </
s
>
<
s
id
="
N1065A
">igitur temporibus
<
lb
/>
æqualibus deſtruitur æqualis impetus: </
s
>
<
s
id
="
N10660
">igitur amittit ille motus
<
lb
/>
æqualia velocitatis momenta: </
s
>
<
s
id
="
N10666
">igitur eſt naturaliter retardatus: </
s
>
<
s
id
="
N1066A
">igi
<
lb
/>
tur iuxta eam proportionem decreſcit motus violentus, iuxtaquam
<
lb
/>
creſcit naturalis: igitur dici debent de hac progreſſione retardatio
<
lb
/>
nis, quæ dicta ſunt de illa progreſſione accelerationis. </
s
>
</
p
>
<
p
id
="
N10674
"
type
="
main
">
<
s
id
="
N10676
">5. Hinc impetus imperfectior initio deſtruitur: </
s
>
<
s
id
="
N1067A
">quia, cùm motus
<
lb
/>
ille ſit velocior initio, inſtantia ſunt minora: </
s
>
<
s
id
="
N10680
">atqui minori tempore
<
lb
/>
minùs retardatur: </
s
>
<
s
id
="
N10686
">igitur inperfectior impetus deſtruitur; </
s
>
<
s
id
="
N1068A
">cùm è
<
lb
/>
contrario in motu acceleratio initio acquiratur imperfectior, quia
<
lb
/>
inſtantia ſunt maiora: vnde vides, gradus impetus eſſe heteroge
<
lb
/>
neos, & principium illud etiam in impetu valere, ſcilicet, ſubiectum
<
lb
/>
ita compleri ab vna forma, vt alterius homogeneæ non ſit ampliùs
<
lb
/>
capax, ſaltem naturaliter. </
s
>
</
p
>
<
p
id
="
N10698
"
type
="
main
">
<
s
id
="
N1069A
">6. Hinc vltimus gradus impetus violenti eſt omnium perfectiſ
<
lb
/>
ſimus, vt conſtat. </
s
>
<
s
id
="
N1069F
">Quieſceret vno inſtanti mobile iactum ſurſum, ſi
<
lb
/>
gradus vltimus violenti eſſet æqualis perfectionis, cum impetu in
<
lb
/>
nato: </
s
>
<
s
id
="
N106A7
">vbi enim ventum eſſet ad inſtans æqualitatis, neutrum præ
<
lb
/>
ualere poſſet: </
s
>
<
s
id
="
N106AD
">igitur inſtanti ſequenti eſſet quies: </
s
>
<
s
id
="
N106B1
">cùm tamen ſint
<
lb
/>
diuerſæ perfectionis, perfectior præualet: vter autem ſit perfectior,
<
lb
/>
dicemus infrà. </
s
>
</
p
>
<
p
id
="
N106B9
"
type
="
main
">
<
s
id
="
N106BB
">7. Cum mobile ſurſum reflectitur, vel terra perforata ſuam lineam
<
lb
/>
motus ſurſum versus oppoſitam cœli plagam promouet, vel aliud
<
lb
/>
æqualis ponderis, vel maioris, ſurſum mouet, tunc certum eſt, inna
<
lb
/>
tum eſſe perfectiorem: </
s
>
<
s
id
="
N106C5
">ſi verò imprimitur ab alia potentia motrice,
<
lb
/>
tunc etiam imperfectior eſt impetu innato; </
s
>
<
s
id
="
N106CB
">nam inæqualis eſt; </
s
>
<
s
id
="
N106CF
">alio
<
lb
/>
quin, ſi eſſet æqualis, ſimul eſſent in eodem ſubiecto duo gradus
<
lb
/>
homogenei: </
s
>
<
s
id
="
N106D7
">præſtat autem eſſe imperfectiorem, quàm perfectio
<
lb
/>
rem, vt plura impetus puncta à potentia imprimantur; </
s
>
<
s
id
="
N106DD
">quòd mul
<
lb
/>
tum facit ad mouenda maiora pondera: hinc nullo inſtanti quieſ
<
lb
/>
cunt proiecta ſurſum. </
s
>
</
p
>
<
p
id
="
N106E5
"
type
="
main
">
<
s
id
="
N106E7
">8. Tandiu durat ſenſibiliter deſcenſus globi proiecti ſurſum,
<
lb
/>
quandiu durauit aſcenſus; </
s
>
<
s
id
="
N106ED
">eſt enim eadem ratio: ſagittæ verò mi
<
lb
/>
nùs durat aſcenſus, quàm deſcenſus propter mixtionem materiæ. </
s
>
<
s
id
="
N106F3
">
<
lb
/>
Si motus violentus eſſet æquabilis, percurreret proiectum ſpatium
<
lb
/>
ferè duplum eo tempore, quo retardato percurrit ſubduplum: </
s
>
<
s
id
="
N106FA
">hinc
<
lb
/>
ſonus tam citò auditur; </
s
>
<
s
id
="
N10700
">quia propagatur cum particulis aëris æqua
<
lb
/>
bili ferè motu: </
s
>
<
s
id
="
N10706
">eſſe autem ſpatium ferè duplum, probatur ex eo, </
s
>
</
p
>
</
section
>
</
front
>
</
text
>
</
archimedes
>