2 files changed, 31 insertions, 0 deletions
diff --git a/3886/CH6/EX6.3/6_3.sce b/3886/CH6/EX6.3/6_3.sce
new file mode 100644
index 000000000..38e8349f4
--- /dev/null
+++ b/3886/CH6/EX6.3/6_3.sce
@@ -0,0 +1,23 @@
+//maximum mechanical advantage and maximum efficiency
+//Effort
+P=150  //N
+W=7700  //N
+MA=W/P  //mechanical advantage
+//If efficiency=60%
+eff=0.6
+VR=(MA)/(eff)
+//When an effort of 250 N raised a load of 13200 N
+P1=250  //N
+W1=13200  //N
+MA1=(W1)/(P1)
+eff1=MA1*100/VR  //percent
+//assume law of machine as P=m*W+C
+//from first case 150=7700*m+C
+//from second case 250=13200*m+C
+//Solving we get
+m=100/5500  
+//maximum mechanical advantage
+MAmax=1/(m)
+//maximum efficiency
+Effmax=100/(m*VR)  //percent
+printf("\nMechanical advantage=%0.2f\nVelocity ratio=%0.2f\nEfficiency=%0.2f percent\nMaximum mechanical advantage=%0.2f\nMaxumum efficiency=%0.2f percent",MA,VR,eff1,MAmax,Effmax)
diff --git a/3886/CH6/EX6.3/6_3.txt b/3886/CH6/EX6.3/6_3.txt
new file mode 100644
index 000000000..2cb8e6833
--- /dev/null
+++ b/3886/CH6/EX6.3/6_3.txt
@@ -0,0 +1,8 @@
+ 
+--> exec('E:\My program EM\6. Lifting machines\6.3.sce', -1)
+
+Mechanical advantage=51.33
+Velocity ratio=85.56
+Efficiency=61.71 percent
+Maximum mechanical advantage=55.00
+Maxumum efficiency=64.29 percent
+\ No newline at end of file