W=250;//given in kN
Rh=400;//horizontal reaction,given in kN
Rv=1200;//vertical reaction,given in kN
Icg=5.65*10^8;//given in N.s^2
Sh=1;//horizontal distence of CG from main wheels,given in m
Sv=2.5;//vertical distence of CG from main wheels,given in m
v0=3.7;//initial vertical velocity,given in m/s
g=9.81;//in m/s^2;