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+//Example 11.3
+h=40;//Average depth (m)
+rho=1*10^3;//Density of water (kg/m^3), See Table 11.1
+g=9.80;//Acceleration due to gravity (m/s^2)
+P=h*rho*g;//Pressure (Pa)
+printf('a.Average pressure on the dam = %0.0f kPa',P/1000)
+w=500;//Width of dam (m)
+d=80;//Depth of dam (m)
+A=w*d;//Area of dam (m^2)
+F=P*A;//Force (N)
+printf('\nb.Force exerted against the dam = %0.2e N',F)
+//Discussion
+W=1.96*10^13;//Weight of water in the dam (N)
+printf('\nDiscussion:\nThe force exerted on the dam is %0.4f%% of the weight of water in the dam',F/W*100)
+//Openstax - College Physics
+//Download for free at http://cnx.org/content/col11406/latest