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+//Example 11_6
+clc;clear;funcprot(0);
+//Properties
+rho=0.07350;// lbm/ft^3
+nu=1.697*10^-4;// ft^2/s
+//Given values
+m=0.125;//lbm
+D=2.52;// in
+V=45;// mi/h
+n=4800;// rpm
+P=1;// atm
+T=80;// degree F
+g=9.81;// m/s^2
+
+//Calculation
+V=(45*5280)/3600;// ft/s
+omega=(2*%pi*n)/60;// rad/s
+C=(omega*D)/(2*V);//rad
+//From Fig. 11–53, the lift coefficient corresponding to C
+C_l=0.21;
+A=(%pi*D^2)/4;// ft^2
+F_l=(C_l*A*rho*V^2)/(2*32.2);// lbf
+W=(m*g)/32.2;// lbf
+if(W<=0.125)
+    printf('drop')
+else
+    printf('Wrong')
+end