( 2CII ) 
1 . A Body is in it felf indifferent to Reft or Motidn. 
2. If a Body beonee at Reft, it will ever remain therein* 
3. And if it be once in Motionjit continues to move alwayes* 
^.Thdit Reji is not a meer Negation^ and that there is as 
much Pofitive Aftion in Heft^as in Motion. 
5. The Bodies which wemove^ do ceafe to move becaufe 
they are impeded^ 
6. A Body fucceflively receiving many Determinations^ re- 
mains only affefted with the iaft. 
7. A free Body cannot be determin d to move in a Cfirm line, 
nor with unequal celerity. 
8. Every Body that moveth about a Center, endeavors to re« 
cede from it* 
9*How a Body may be moved Gircularly, 
lo.OneBody moving againft another Body gives it its whole 
Motion* 
ij.In the meeting of two Bodies there is made a Percuffion 
which is mutuai^and equally received in both. 
1 2.A moving Bodyjmeeting another Body that is Quiefcent, 
gives it all its Motion^and remains it felf movelefi. 
15» What is meant by Abfolute and RefpeUive Velocity. 
1 4. The Percuflions are as the refpeCiive Velocities. 
15. TW0 Bodies meeting one anotherj turn back^ making an 
exchange of their Velocity. 
1 6*T wo Bodies moving toward the fame places^continue af* 
ter their encounter by exchanging their Velocities. 
1 7. An hard Body coming to hit another Body that cannot be 
fliaken^is refiefted with its whole Motion* 
iS.The Angle of Refledion is equal to the Angle oflncis 
dence. 
19.It may be imagin'd.thatthe Oblique motion is composed 
of two Motions. 
20. A general Rule of all PerculEons. 
2 i.There is alwaies equal quantity of rejpe&ive motion^ 
2 a.The midft of two Bodies is alwaies uniformly mov'd in a 
direft line* 
25*A!1 
