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-rw-r--r--3886/CH6/EX6.16/6_16.sce20
-rw-r--r--3886/CH6/EX6.16/6_16.txt3
2 files changed, 23 insertions, 0 deletions
diff --git a/3886/CH6/EX6.16/6_16.sce b/3886/CH6/EX6.16/6_16.sce
new file mode 100644
index 000000000..8ad8da192
--- /dev/null
+++ b/3886/CH6/EX6.16/6_16.sce
@@ -0,0 +1,20 @@
+//Differential screw jack
+//pitch
+pA=10 //mm
+pB=5 //mm
+//lever arm length
+R=500 //mm
+VR=(2*%pi*R)/(pA-pB)
+P=185 //N
+W=15000 //N
+MA=W/P
+eta=MA*100/VR //percent
+//let the law of machine be P=m*W+C
+//from first case 185=m*15000+C
+//from second case 585=m*50000+C
+//solving we get
+m=4/350
+C=185-(m*15000) //N
+printf("Law of machine is P=%.4f*W+%0.2d ",m,C)
+
+
diff --git a/3886/CH6/EX6.16/6_16.txt b/3886/CH6/EX6.16/6_16.txt
new file mode 100644
index 000000000..b8a1bd5fa
--- /dev/null
+++ b/3886/CH6/EX6.16/6_16.txt
@@ -0,0 +1,3 @@
+
+--> exec('E:\My program EM\6. Lifting machines\6.16.sce', -1)
+Law of machine is P=0.0114*W+13 \ No newline at end of file