their parts do draw by Lines of Direction, which all concur in one <lb/>
and the &longs;ame Point; and Forces and their parts may be under&longs;tood <lb/>
to draw in &longs;uch &longs;ort that all the Lines of Direction are parallel to <lb/>
each other.</s></p>

<p type="main"> <s>In the &longs;econd place, we &longs;uppo&longs;e that a Force and its Line of Di&shy;<lb/>
rection abiding alwaies in the &longs;ame po&longs;ition, as al&longs;o the Center <lb/>
of the Ballance or Leaver, be the Arm what it will that is drawn <lb/>
from the Center of the Ballance to the Line of Direction, the <lb/>
Force drawing alwaies in the &longs;ame fa&longs;hion, will alwaies produce <lb/>
the &longs;ame Effect.</s></p>

<p type="main"> <s>As, in this &longs;econd Figure, the Center of the Ballance being A, <lb/>
the Force B, and the Line of Direction <lb/>
B <emph type="italics"/>F<emph.end type="italics"/> prolonged, as occa&longs;ion &longs;hall re&shy;<lb/>
quire, in which the Arms A G, A C, and <lb/>
A <emph type="italics"/>F<emph.end type="italics"/> do determine, in this po&longs;ition let <lb/>
the Line B <emph type="italics"/>F<emph.end type="italics"/> be fa&longs;tned to the Arm <lb/>
A <emph type="italics"/>F,<emph.end type="italics"/> or A C, or to another Arm drawn <lb/>
from the Center A to the Line of Di&shy;<lb/>
rection ^{*} B <emph type="italics"/>F<emph.end type="italics"/>: we &longs;uppo&longs;e that this <lb/>
<arrow.to.target n="marg1125"></arrow.to.target><lb/>
<emph type="italics"/>F<emph.end type="italics"/>orce B &longs;hall alwaies work the &longs;ame <lb/>
Effect upon the Ballance. </s> <s>And if <lb/>
drawing by the Arm A C it make an <lb/>
<emph type="italics"/>Equilibrium<emph.end type="italics"/> with the <emph type="italics"/>F<emph.end type="italics"/>orce <emph type="italics"/>D<emph.end type="italics"/> drawing by the <emph type="italics"/>A<emph.end type="italics"/>rm <emph type="italics"/>A<emph.end type="italics"/> E, when <lb/>
ever it &longs;hall draw by the <emph type="italics"/>A<emph.end type="italics"/>rms <emph type="italics"/>A F<emph.end type="italics"/> or <emph type="italics"/>A<emph.end type="italics"/> G, it &longs;hall likewi&longs;e make <lb/>
an <emph type="italics"/>Equilibrium<emph.end type="italics"/> with the <emph type="italics"/>F<emph.end type="italics"/>orce D drawing by the <emph type="italics"/>A<emph.end type="italics"/>rm <emph type="italics"/>A E.<emph.end type="italics"/> This <lb/>
Principle although it be not expre&longs;ly found in <emph type="italics"/>A<emph.end type="italics"/>uthors, yet it is <lb/>
tacitly &longs;uppo&longs;ed by all tho&longs;e that have writ on this <emph type="italics"/>A<emph.end type="italics"/>rgument, and <lb/>
Experience con&longs;tantly confirmeth it.</s></p>

<p type="margin"> <s><margin.target id="marg1125"></margin.target>* In the Original <lb/>
it is writ, but by <lb/>
the mi&longs;take of <lb/>
the Tran&longs;criber, <lb/>
<emph type="italics"/>a la ligue de<emph.end type="italics"/> di&shy;<lb/>
rection A F.</s></p>