//Example 3.17 clc; clear; close; format('v',7); //Given data : b=4;//meter d=4;//meter h=8;//meter w=9.81;//kN/m^2 xbar=8;//meter A=b*d;//m^2 P=w*A*xbar;//kN disp(P,"Total Pressure in kN : "); IG=(b*d^3)/12;//in m^4 h_bar=IG/A/xbar+xbar;//in meter disp(h_bar,"Position of centre of pressure in meter : ");