diff options
Diffstat (limited to '3886/CH20/EX20.11')
| -rw-r--r-- | 3886/CH20/EX20.11/20_11.sce | 16 | ||||
| -rw-r--r-- | 3886/CH20/EX20.11/20_11.txt | 5 |
2 files changed, 21 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)
+
diff --git a/3886/CH20/EX20.11/20_11.txt b/3886/CH20/EX20.11/20_11.txt new file mode 100644 index 000000000..c53337f4a --- /dev/null +++ b/3886/CH20/EX20.11/20_11.txt @@ -0,0 +1,5 @@ +
+--> exec('E:\My program EM\20. Rotation of rigid bodies\20.11.sce', -1)
+
+VA=300.000 N
+HA=264.891 N
\ No newline at end of file |