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Diffstat (limited to '3886/CH16/EX16.7/16_7.sce')
-rw-r--r-- | 3886/CH16/EX16.7/16_7.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/3886/CH16/EX16.7/16_7.sce b/3886/CH16/EX16.7/16_7.sce new file mode 100644 index 000000000..8e351d1bc --- /dev/null +++ b/3886/CH16/EX16.7/16_7.sce @@ -0,0 +1,20 @@ +//Block being pulled
+//refer fig. 16.10 (a) and (b)
+//when pull P is acting
+W=2500 //N
+P=1000 //N
+N=W-P*sind(30)
+mu=0.2
+F=mu*N //N
+//Initial velocity=0
+//Let final velocity be v
+s=30 //m
+//Applying work energy equation for the horizontal motion
+v=sqrt((0.866*1000-400)*30*2*9.81/2500)
+printf("\nv=%.3f m/sec",v)
+//Now if the 1000 N force is removed,let the distance moved before rest be s
+//Initial velocity=10.4745 //m/sec
+//Final velocity=0
+s=(2500*(10.4745^2))/(400*2*9.81) //m
+printf("\ns=%.3f m",s)
+//The answer provided in the textbook is wrong
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