DelMonte, Guidubaldo, Mechanicorvm Liber

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1minor eſſet. quod etiam patet; quia ſi
lineæ
CL, & LS in vnam coinciderent
lineam
, quod euenit in FCS; tunc linea
CF
totum ſuſtineret pondus in F, im­
mobilemq
; redderet: neq; vllam pror­
ſus
grauitatem in circumferentia circu­
li
haberet.
Idem ergo pondus propter
ſituum
diuerſitatem grauius, leuiuſq; erit.

non
autem quia ratione ſitus interdum
maiorem
re vera acquirat grauitatem,
interdum
verò amittat, cùm eiuſdem ſit
ſemper
grauitatis, vbicunque reperiatur;
ſed
quia magis, minuſuè in circumferen­
tia
grauitat, vt in D magis ſupra circum
ferentiam
DA grauitat, quàm in L ſupra
circumferentiam
LD.
hoc eſt, ſi pon
dus
à circumferentiis, rectiſq; lineis ſu
ſtineatur
; circumferentia AD magis ſu
ſtinebit
pondus in D, quàm circumfe
rentia
DL pondere exiſtente in L. mi
nus
enim coadiuuat CD, quàm CL.

Præterea
quando pondus eſt in L, ſi eſ­
20[Figure 20]
ſet
omnino liberum, penituſq; ſolutum, deorſum per LS moueretur;
niſi
à linea CL prohiberetur, quæ pondus in L vltra lineam LS per
circumferentiam LD moueri cogit; ipſumq; quodammodo impellit,
impellendoq
; pondus partim ſuſtentabit.
niſi enim ſuſtineret, ipſiq;
reniteretur
, deorſum per lineam LS moueretur, non autem per
circumferentiam
LD.
ſimiliter CD ponderi in D renititur, cùm
illud
per circumferentiam DA moueri cogat.
eodemq; modo
exiſtente
pondere in A, linea CA pondus vltra lineam AS per
circumferentiam
AO moueri compellet.
eſt enim angulus CAS
acutus
; cùm angulus ACS ſit rectus.
lineæ igitur CA CD ali
qua
ex parte, non tamen ex æquo ponderi renituntur.
& quotieſ
cunque
angulus in circumferentia circuli à lineis à centro
mundi
S, & centro C prodeuntibus, fuerit acutus; idem eue­
nire
ſimiliter oſtendemus.
Quoniam autem mixtus angulus CLD

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