DelMonte, Guidubaldo, Mechanicorvm Liber

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1
Sit motus orbiculus à centro A
vſq; ad centrum L; & pondus B,
hoc eſt punctum C, in eodem tem­
pore ſit motum in P; & potentia in
H vſq; ad K; erit AH ipſi LK æqua
lis, & AL ipſi Hk.
& quoniam fu
nis CDEFG eſt æqualis funi PM
NOG, idem enim eſt funis, & fu
nis circa ſemicirculum MNO æ­
qualis eſt funi circa ſemicirculum
DEF; demptis igitur communi­
bus DP FG, erit PC æqualis
DM FO ſimul ſumptis, qui funes
ſunt dupli ipſius AL, & conſequen­
ter ipſius Hk.
ſpatium ergo pon
deris moti CP duplum eſt ſpatii
Hk potentiæ.
quod oportebat de­
monſtrare.
169[Figure 169]
COROLLARIVM
Ex hoc manifeſtum eſt, idem pondus trahi
ab eadem potentia in æquali tempore per du­
plum ſpatium trochlea hoc modo accommoda
ta, quàm ſine trochlea; dummodo ipſius poten
tiæ lationes in velocitate ſint æquales.
Spatium enim ponderis moti ſine trochlea æquale eſt ſpatio
potentiæ.

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