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# Title: Leibniz-Handschriften zur Mathematik LH 35, 11, 18C
# Folio 167v, page id 00068193:0340
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Sect. W. De Causà et Effectu activis.
tangente curvae.
D
Ponatur (Fig. 14.) regula rectiliner mobilis AB proce
dere per rectam immotam AA, angulo eodem ser vato, (si pla
cet) recto; et interea in regula moveatur punctum C; pote
rit ex esse proportio velocitatum, ut punctum C describat cur
vam quam cunqi CC. Patet autem punctum C. pergere ex il
C
velocitate et directione composita ex ipsis 1CD eD 2C, adeoque
2 .
directione IC2C, quae minus errore quovis assignabili diffent a
curvae tangente, si intervallum 1AZ A assumatur, quantum
satis est, paroum; itaqi directio est in curvae tangente, 
est, m ea moveri conatur; et revera movebitur, si a regulà̂ au
-
alio coercente liberetun.
Crop. 27. Def. A.
.. 1
Luicquid movetur m linea circulari, recedere conatur a ca
s.
fro circuli, et vis recedendi CONAFVS CENSRIFVGVS appe
latur.
e
sit (fig. 15.7
sl
seripto circa cntrum C. Cum conetur ex 2. A perigere in tan-
gente 2+5, (per praeccd.) tangens autem 2A F recedat a centri
C, utique et mobile A a centro C recedere conabitur. Idem eto,
si motus sit compositus ex circulari et alio.
Prop. 28. Def. 5.
Continuato per aliquod tempus conatu centrifugo con
poris; oritur in eo celeritas recedendi a centro; et conatus
centrifugus est ad celeritatem continuato recedendi conatu co
ceptam; ut finitum ad infinitum. VIM autom quae est hoc
modo ad celeritatem seu quae est infinities minor celeritate,
eam voco MoRJVAM; at vim celeritatim habentis aut cur
hac comparabilem appello VIVAM.
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