clc G=15.7 a=0 b=15 c=30 H=3 Kp=4.977 // from table 13.9 Pp=Kp*G*H^2/2 printf('a)the passive force = %f kN/m\n',Pp) // for part b Kp=4.53 Pp=Kp*G*H^2/2 printf(' b)the passive force = %f kN/m\n',Pp) // for part c Kp=4.13 Pp=Kp*G*H^2/2 printf(' c)the passive force = %f kN/m\n',Pp) //for part d Kp=4.56 Pp=Kp*G*H^2/2 printf(' d)the passive force = %f kN/m\n',Pp)