[ 3 53 ] 
. S* SXrS; IT; '’IT 
die r- u : kr ° b ‘ ems concerning the Collilion of Bo^ 
aies are refolved in a more crenel 
Number of Bodies impelled by it on one l£j T 
pellcd S b\ Dl f CCt ' OI | S ’ pl . ovidin S equal Bodies be inn 
pel ed by it on the other Side, in Direaionseauallvi 
inclined to its own Direction. But the Problem L- 
wfohred^rc without thefe Limitations , fome others 
. klnd are fubjoined, and this Doftrine is aD 
Phed for determining the Motions of Bodies that 
& 5 »-* ° ,h “ **. ***. 
Body is multiplied, by^he ! 
; “*■ *** * made to afeend, the Produf of h mu ’ ' 
£1 f b i^ J U ” ° f r its Velocity is to be fll^d : 
And it the Bodies be fuppofed to afeend from their - 
then' thT ! ' h thC rcl f >caiv :c Velocities acquired by them " 
then their common Centre of Gravity will rife to thel 
fame .• 
