( >S 5 ) 
d^, Seri^tur x & erit S P ^ ^ 
y 
x^ 
n'^ d^ ^ A} . . , 
& S P ^ ; — ; & eft jf =m » h S A— 2 m * S A S A, 
X I 
&. S P = ^ S A 
»< X 
— . 1 
z 
« A S A .V 
Jf I 
-, &: redu- 
cendo ^partes ad eundein denominatotem ; erit S P 
nd^Ax—lndSAx ^ 
— . Et m niimeratore loco, a: &: 
jf I 
Of, ponendo ip forum valores, 8c ordinando fit S P 
ndSAx\m'^bSA — d'^ n'^ d^ , SP 
— - , unde erit 
jc 1 
*r*r 
__ ^ bS ^*4- n"^ d 
SP^.SA 
S P 
4 S A^ 
ut vis centripeta, quare erit vis, ut 
“ w* b SA—m^ ^’n^d^ 
d-^ ^ A^ 
■ vel ob datam d^ in denominatorc erit vis, ut 
bS A — d^ ^ d^ . bn 
" ^ •, vel loco d^ ponendo — , 
erit VIS ut 
S A 5 
im^bSA — fm^bR 4 
SA^ ^ 
S A 
2 
feu ob 
z 
.+ 
datam ut f.^.S A - R 4- . 
2 ’ SA^ 
R'» ^ - R w * 
omnia exa£le coincidunt, cum iis 
qu^ a Domino Newtono de vi centripeta corporis inea- 
dem curva mo'ti, traduntur, in Pro/^, 44. Prwdp, 
Quoniam vis Centripeta tendens ad punclum S, qua 
urgente corpus in curva mover! poteft, eft femper ut 
St ' 
; nine ex data lege vis Centripeta, Inveniri 
S ? s X S A 
C c 
2 / 
poteft 
I- 
