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diff --git a/3886/CH4/EX4.11/Ex4_11.sce b/3886/CH4/EX4.11/Ex4_11.sce
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+//Analyse the truss by method of tension coefficient to determine the forces 
+//Refer fig.4.19
+//Consider entire structure
+//Taking moment about A
+YD=(40*2+50*6+30*4*sind(60)+60*4)/8
+XA=-30  //kN
+YA=40+50+60-90.49  //kN
+//Take A as origin and determine co-ordinates of all other point
+//Consider equilibrium of individual joints
+//Joint A
+tAB=-(59.51/3.464)
+FAB=tAB*4  //kN
+tAE=64.36/4
+FAE=tAE*4  //kN
+//Joint B
+tBE=-11.547+17.18
+FBE=tBE*4  //kN
+tBC=0.5*(-17.18-5.637)
+FBC=tBC*4  //kN
+//Joint C
+tCD=-(14.434+37.818)/2
+FCD=4*tCD  //kN
+tCD=4  //kN
+tCE=-14.434-tCD
+FCE=11.692*4  //kN
+//Joint D
+tDE=-0.5*(-26.126)
+FDE=tDE*4  //kN
+printf("The forces in different members are:-\nAB=%.2d kN\nBC=%.2d kN\nCD=%.2d kN\nDE=%.2d kN\nEA=%.2d kN\nEB=%.2d kN\nEC=%.2d kN",FAB,FBC,FCD,FDE,FAE,FBE,FCE)
+