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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /213/CH10/EX10.9/10_9.sce | |
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initial commit / add all books
Diffstat (limited to '213/CH10/EX10.9/10_9.sce')
| -rwxr-xr-x | 213/CH10/EX10.9/10_9.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/213/CH10/EX10.9/10_9.sce b/213/CH10/EX10.9/10_9.sce new file mode 100755 index 000000000..65354d79a --- /dev/null +++ b/213/CH10/EX10.9/10_9.sce @@ -0,0 +1,24 @@ +//To find the force applied
+clc
+//Given:
+d=50/1000,l=0.7 //m
+p=10 //mm
+mu=0.15
+W=20*1000 //N
+//Solution:
+//Calculating the helix angle
+alpha=atan(p/(%pi*d*1000)) //radians
+//Force required to raise the load:
+//Calculating the force required at the circumference of the screw
+phi=atan(mu) //Limiting angle of friction, radians
+P1=W*tan(alpha+phi) //N
+//Calculating the force required at the end of the lever
+P11=P1*d/(2*l) //N
+//Calculating the force required at the circumference of the screw
+P2=W*(phi-alpha) //N
+//Foce rewuired to lower the load:
+//Calculating the force required at the end of the lever
+P21=P2*d/(2*l) //N
+//Results:
+printf("\n\n Force required at the end of the lever to raise the load, P1 = %d N.\n",P11)
+printf(" Force required at the end of the lever to lower the load, P1 = %d N.\n\n",P21)
\ No newline at end of file |