summaryrefslogtreecommitdiff
path: root/3862/CH5/EX5.11
diff options
context:
space:
mode:
Diffstat (limited to '3862/CH5/EX5.11')
-rw-r--r--3862/CH5/EX5.11/Ex5_11.sce23
1 files changed, 23 insertions, 0 deletions
diff --git a/3862/CH5/EX5.11/Ex5_11.sce b/3862/CH5/EX5.11/Ex5_11.sce
new file mode 100644
index 000000000..6261d9690
--- /dev/null
+++ b/3862/CH5/EX5.11/Ex5_11.sce
@@ -0,0 +1,23 @@
+clear
+//
+l=6.0 //length of ladder
+u1=0.4 //coefficient of friction between the wall and the ladder
+w=200.0 //weight of ladder
+u2=0.25 //coefficient of friction between floor and the ladder
+wl=900.0 //weight of load
+ll=5.0 //distance of load
+//force balancing
+//Na Nb normal reaction at A and B
+//Fa Fb friction at A and B
+//Fa=u2*Na
+//Fb=u1*Nb
+//Na+Fb=w+wl
+//Fa=Nb
+Nb=(wl+w)*u2/(1+u2*u1)
+Na=Nb/u2
+Fa=u2*Na
+Fb=u1*Nb
+//sum of all moments about a is =0
+temp=((w*l*0.5)+(wl*ll)-(Fb*l))/(Nb*l)
+o=atan(temp)*180/3.14
+printf("\n Angle of inclination is %0.3f degrees",o)