a
N
9
i
, NORK PoNER &ENERGY w F A Mona
F min
Lshin F= cenitaat
W= F-A Fgoce Oa90
*9d. usina w-EnengyThowm
Sum of all usd bu al! forcu AKE
W= K-K= lm (v-u
ive
-t e V-t e V- e
dt
then subst.
L V in W=AKE w AkE W-ARE-1mv-u
t
Vaiablu Ferce
F Ct)> v w
3.dy(d2
NE (d Ed E,dz ma = CE)
+ve a L
Jnttqiat
axco=Fd = ENd=AKE
Mox ptd ire olv 0 a
olt
AAm 3m
Tm aO at n stan F 0
W m(v-u)
Calc. Max spued
A A L2 ( &o
V5m/s
m-2K
, O 2
CAD