455
Prxtereat; duo fic inter magnefia fa:ca
Si magnes .alius tranfcurrcre tentet, utrique
1915
Sc latere obvertens inim ico, haud ipfc profedo
Tranfeurret, tenui dum mobilitate meabit,
Perque fuum depulfus iter fle&etur , 8c illa
Exagitabit item pulfans, quoque ocyus ibit ?
Concutiet magis; at tranfeurret denique, curfus
1 9 1 0
Si nimium pernix, longeque citifiimus e x te t,
Ut neque turbetur propior., neque mutua tu rbet.
Rebus 1 ab his partes finitas quodlibet in fe
L I B E R D E C I M U S .
velocitate g lo b i c rc fc c n tc ,
c re
fcit im petus in
o b fia c u lu m > id
ipfum u fq u e ad q u e m d a m lim i
tem , u lt r a q u e m i& u s eo effet
m in u s validus ,
q u o m a g is a u
g e re tu r v elo citas , d o n ec ca in
im m e n fu m a u f ta ,
jam x illx fo
objice g lo b u s ipfe p r x te r v o la r c t.
V ire s repulfivas e f f u g e r e t , & a p
parenter
c o m p e n c tr a tu s p r x t c r i-
r e t , q u ia ip fa ru m im p reffio n em
fentiret ta n tu m m o d o in it ia le m .
A lterum
e x e m p lu m
d efum ie a
glo b o ferreo p r o je & o in p la n o
h o r i z o n t a li , in
q u o h a b e a n tu r
plures m a g n e te s , dc q u o cxcro»
pio abu n d e d ixim u s in a d n o ca -
tionc fuperiore .
Porro co in g e n e re -videre li-
cct exp eriun do id i p f u m , n im i
rum v elo citatem n im is m a g n a m
o b c f l e i & u i . Si h a b e a tu r p la n u m
verticale a d m o d u m v erfatilc c ir
ca axem v e r t ic a le m , u ti ex. g r.
funt ca v c x il lu l a , q u x fu m m is
turribus aptari fo len t ad in d ic a n
dos v e n t o s ^ & ip fu m im p e lla
tur e x ig u a vi ,
fta tim a b it in
g y r u m . A t fi adm ota fiftula fe r
rea em ittatur ex ca g lo b u lu s c u m
imm ani illa velo citate , fit f o r a
m en ro tu n d u m eju fd em m a g n i
tu d in is, cujus eft g lo b u s : reli
qua: partes ejufdem plani r e m a
nent i m m o t x . G lo bu s p ropellit
p a rtic u la s ,
in quas im m e d ia te
in currit ,
c x c o h x r c b a n t c u m
Cor-
p a rtib u s reliquis politis circu m
q u a q u e vi quad am , q u x in» eo
cafu n ih il p r x fta n t 5
q u ia Im
m en fa velocitas
p a rticu la ru m ,
q u x a v e llu n tu r , im prefia a vi-
ribus g l o b u l i ad cas acced en tis
m u lto
propius
im p e d it a & io -
n em c a ru m v iriu m m u t u a r u m ,
a
qu ibu s o riebatur c o h x fio : p r io
res a b e u n t fere m o m e n t o te m
poris , q u in ca ru m v irium f c n r
tiant n i l u m . Idem a ccid e re t illi
g lo b u lo ferreo
tra n fe u n ti in te r
m agn etes : (i is
in cu rre re t in
aliquem c x iis m a g n e tib u s * c u m
u n u m abriperet fecum , re liq u is
o m n ib u s n ih il turbatis .
P o rro
h o c ip fu m g e n e ralio re
p rin cip io in n ititu r . Q u a n d o d u o
q u x d a m h ab en t n e x u m q u e m
p iam in v ic em ita , u t ad m u t a ,
tio n e m u n ius m u te tu r ac a lte r u m ^
is n exu s poteft efte e j u f m o d i , uc
illo ^p riore crcfccn te , crcfcat p o -
ftcrio r u tq u e ad q u e n d am lim i-
' tem ,
tu m d c c r e fc a t . Sic
5
c in
th eo ria gen erali v i r i u m , & m o .
tu u m
m c x c u r v x ,
c rc fc c n tc
m u tu a d iftan tia b in o ru m p u n & o -
rum iis viribus p r x d it o i; u m , v ir
res ip s x jam crefeunt , jam e t ia m
d e c re fc u n c , atque id : p e r m u lta s
v i c e s . D e v e n itu r ta m in a t t r a
ctio n e i quam,- in tc p u lfio n e a d
q u o d d a m m a x im u m ># u ltra q u o d
h a b e tu r deinde im m in u t io .
1 Hic diYiiibiliuti materix in
