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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 /3204/CH5/EX5.3 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '3204/CH5/EX5.3')
| -rw-r--r-- | 3204/CH5/EX5.3/Ex5_3.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/3204/CH5/EX5.3/Ex5_3.sce b/3204/CH5/EX5.3/Ex5_3.sce new file mode 100644 index 000000000..780c792c3 --- /dev/null +++ b/3204/CH5/EX5.3/Ex5_3.sce @@ -0,0 +1,20 @@ +//Initilization of vaiables
+W=25 //N // self weight of the ladder
+M=75 //N // weight of the man standing o the ladder
+theta=63.43 //degree // angle which the ladder makes with the horizontal
+alpha=30 //degree // angle made by the string with the horizontal
+Loa=2 //m // spacing between the wall and the ladder
+Lob=4 //m //length from the horizontal to the top of the ladder touching the wall(vertical)
+//Calculations
+//Using matrix to solve the simultaneous eqn's 3 & 4
+A=[2 -4;1 -0.577]
+B=[100;100]
+C=inv(A)*B
+//Results
+clc
+printf('The reaction at A i.e Ra is %f N \n',C(1))
+printf('The reaction at B i.e Rb is %f N \n',C(2))
+//Calculations
+T=C(2)/cosd(alpha) //N // from (eqn 1)
+//Results
+printf('The required tension in the string is %f N \n',T)
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