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Diffstat (limited to '3886/CH20/EX20.11/20_11.sce')
| -rw-r--r-- | 3886/CH20/EX20.11/20_11.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3886/CH20/EX20.11/20_11.sce b/3886/CH20/EX20.11/20_11.sce new file mode 100644 index 000000000..455b3d26d --- /dev/null +++ b/3886/CH20/EX20.11/20_11.sce @@ -0,0 +1,16 @@ +//Rods welded
+//refer fig. 20.9 (a) and (b)
+//Mass moment of inertia of AB about axis of rotation
+AB=((200*1.2*1.2)/(12*9.81))+((200*0.6*0.6)/(9.81))
+//Mass moment of inertia of rod CD about A
+CD=((100*0.6*0.6)/(12*9.81))+((100*1.2*1.2)/(9.81))
+//Total mass moment of the system about A
+I=9.786+147.0
+//Let alpha be the instantaneous angular acceleration
+//Kinetic equation for motion gives
+alpha=(300*0.75)/(156.786) //rad/sec
+//Writing the dynamic equilibrium condition
+VA=200+100 //N
+HA=300-((200*0.6*alpha)/(9.81))-((100*1.2*alpha)/(9.81)) //N
+printf("\nVA=%.3f N\nHA=%.3f N",VA,HA)
+
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