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-rw-r--r--3886/CH3/EX3.12/3_12.txt3
-rw-r--r--3886/CH3/EX3.12/Ex3_12.sce10
2 files changed, 13 insertions, 0 deletions
diff --git a/3886/CH3/EX3.12/3_12.txt b/3886/CH3/EX3.12/3_12.txt
new file mode 100644
index 000000000..4b8daeb6d
--- /dev/null
+++ b/3886/CH3/EX3.12/3_12.txt
@@ -0,0 +1,3 @@
+
+--> exec('E:\My program EM\3. Resultant and equilibrium of system of coplanar non-concurrent forces\Ex3_12.sce', -1)
+Required force is F=447.45 N \ No newline at end of file
diff --git a/3886/CH3/EX3.12/Ex3_12.sce b/3886/CH3/EX3.12/Ex3_12.sce
new file mode 100644
index 000000000..53212d39e
--- /dev/null
+++ b/3886/CH3/EX3.12/Ex3_12.sce
@@ -0,0 +1,10 @@
+//Horizontal force required at certain height to avoid slipping
+//Refer fig. 3.23
+//applying equilibrium conditions we get
+//F=RB...(1)
+//-RB*3+700*2*cotd(60)+100*1.5*cotd(60)+F=0...(2)
+//Solving (1)&(2) we get
+F=(700*2+100*1.5)*cotd(60)/2 //N
+printf("Required force is F=%.2f N",F)
+
+