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+clear
+//
+
+//variable declaration
+
+PA=800.0 //Vertical down loading at A,N
+PC=400.0 //vertical up loading at B,N
+HD=600.0 //Horizontal left loading at A,N
+HB=200.0 //Horizontal right loading at B,N
+a=1.0 //length of side,m
+
+//sum of vertical Fy & sum of horizontal forces Fx is zero
+//Assume direction of Fx is right
+//Assume direction of Fy is up
+Fx=HB-HD
+Fy=PC-PA
+
+
+R=sqrt((Fx**2)+(Fy**2))
+printf("\n R= %0.2f N",R)
+
+theta=atan(Fy/Fx)*180/%pi
+printf("\n theta= %0.0f °",theta)
+
+//moment at A
+
+MA=PC*a+HD*a
+
+//Let x be the distance from A along x axis, where resultant cuts AB.
+
+x=MA/Fy
+
+printf("\n x= %0.1f m",(-x))