SB ) 
SB 
rerum peritis fatis obvio invenitur F = (M-4-L) 
Nx ^ y 
CoCiH- h^scofrö)— 0 )---— Cof. ((p — 0 ; 
u u 
Ny 
& r=: — 5 * Sin ((p — 0 ) 4 - — Sin. ((p- 0 ), de qur* 
u 
bus virium expreffionibiis obfervandiim erit i:o 
Has vires efle reduftas ad planum eclipticas per 
projectionem orbitas lunaris in eandem. 2:0 efîe 
u-=-^yy — ^xy Cof. 0 xx See. = diftantîæ 
Lunas a Sole. 3:0 Vim (qua Luna a Tellure at- 
trahitur effe = M. 4:0 Vim qua Luna ad Solem 
urgetur effe = N, 5:0 Vim qua Luna attrahit Ter- 
ram elfe — dz 6:0 vim qua Sol attrahit Terram 
ede = vS. Duas itaque asquationes priores introdu- 
cendo valores hac ratione inveniendos, migrabunt in 
Ny 
has fcquentes 1:0 2 axd^-\-xdd(P— — ^^dt^ (— ' — S) 
ïi 
Sin. (f) — 0 , 2:0 ddx — xd(p^ = — ^dt" (M -J- iL) 
N X N y 
Cof. 4 ^ •+ — ( ‘S'). Cof. (0 — 0 . HaCtenus 
u u . 
vires generaliter funt comprehenfæ , 
& ad nullum fyftema gravitatis applicatas. Illas 
raitem vires attemperando ad principium gravita- 
tis Newtoni vocandoque madam Solis = iS, mas- 
fam Telluris T, & madam Lunas = A, eaque ra- 
tione quaerendo valores ipforum M, N,L,*S, eos- 
que fubdituendo in aequationibus allatis, orientur 
aequationes 2dxd(b xdd 0 — — 1 
' / 
Sin. (cp — O, & ddx = — idt~- (T + X) Cof. 4 /’ 
^ I I \ 6 x 6 y 
^ idt^ --4 ■+' 
6 
. 
'XX 
hb ' 
it 
u 
