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diff --git a/629/CH6/EX6.6/example6_6.sce b/629/CH6/EX6.6/example6_6.sce
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+clear
+clc
+//Example 6.6 FORCES ACTING ON A PIPE BEND
+p=75*10^3 //[Pa]
+r=0.5; //[m]
+A=%pi*r^2 //area[m^2]
+S=0.94;
+rho=S*1000 //drnsity[kg/m^3]
+Gamma=S*9.81 //specific weight of oil[kN/m^3]
+V=1.2; //volume of oil[m^3]
+Q=2; //[m^3/s]
+m=rho*Q //mass flow rate[kg/s]
+v=2.55; //[m/s]
+theta=30; //degrees
+//Reaction force
+//Rx+p*A-p*A*cos(theta)=m*v*cos(theta)-m*v
+Rx=-(p*A+m*v)*(1-cosd(theta))/10^3 //[kN]
+//Ry+p*A*sin(theta)=-m*v*sin(theta)
+Ry=-(p*A+m*v)*sind(theta)/10^3 //[kN]
+We=4; //empty weight of bend[kN]
+Rz=(Gamma*V)+We //[kN]
+//Reaction force vector
+R=[Rx Ry Rz] //[kN]
+printf("\n The net force required to hold the bend in place, F =(%.2f kN)i+(%.1f kN)j+(%.1f kN)k.\n",R(1),R(2),R(3))
+\ No newline at end of file