1 files changed, 30 insertions, 0 deletions
diff --git a/3886/CH4/EX4.7/Ex4_7.sce b/3886/CH4/EX4.7/Ex4_7.sce
new file mode 100644
index 000000000..3d3848461
--- /dev/null
+++ b/3886/CH4/EX4.7/Ex4_7.sce
@@ -0,0 +1,30 @@
+//finding magnitude and nature of forces
+//refer fig. 4.14(a)
+//considering equilibrium if entire truss
+//taking moment about L0
+R2=(200*6+200*12+150*18+100*24+100*30)/36  //kN
+R1=200+200+150+100+100-R2  //kN
+//consider equilibrium of right hand side of section (1)-(1)
+theta1=atand(1/6)  //degree
+theta2=atand(6/8)  //degree
+//taking moment about U4
+FL3L4=(-100*6+325*12)/8  //kN  (tension)
+//taking moment about L3
+FU3U4=456.2  //kN  (compression)
+FU4L3=(456.2*cosd(9.46)-412.5)/sind(36.87)  //kN  (tension)
+printf("The required forces are:-\nMember     Force\nU3U4=    %.2d kN (Compression)\nL3L4=    %.2d kN (Tension)\nU4L3=    %.2d kN (Tension)",FU3U4,FL3L4,FU4L3)
+  
+
+
+
+
+
+
+
+
+
+
+
+
+
+