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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 /1862/CH11/EX11.4 | |
| 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 '1862/CH11/EX11.4')
| -rwxr-xr-x | 1862/CH11/EX11.4/C11P4.sce | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/1862/CH11/EX11.4/C11P4.sce b/1862/CH11/EX11.4/C11P4.sce new file mode 100755 index 000000000..907be6399 --- /dev/null +++ b/1862/CH11/EX11.4/C11P4.sce @@ -0,0 +1,37 @@ +
+clear
+ clc
+//to find work done by gravity
+//to find work done by the spring
+//to find work done by the hand
+
+
+// GIVEN::
+
+//refer to figure 11-15(a) from page no. 237
+//mass of block
+m = 6.40//in kg
+//distance streched by spring
+d = 0.124//in meters
+//acceleration due to gravity
+g = 9.8//in m/s^2
+
+// SOLUTION:
+
+//refer to figure 11-8(b)and 11-5(c) from page no. 237
+//applying equillibrium condition in y direction
+//force constant of spring
+k = m*g/d//in N/m
+//work done by gravity
+Wg = m*g*d//in J
+//work done by the spring
+Ws = (-1/2)*k*d^2//in J
+//-ve sign as force and displacement are in opposite directions
+//work done by the hand
+//intergrating force in y direction
+Wh = m*g*(-d)+(1/2)*k*(-d)^2//in J
+k = round(k)
+printf ("\n\n Force constant of spring k = \n\n %3i N/m",k);
+printf ("\n\n Work done by gravity Wg = \n\n %.2f J",Wg);
+printf ("\n\n Work done by the spring Ws = \n\n %.2f J",Ws);
+printf ("\n\n Work done by the hand Wh = \n\n %.2f J",Wh);
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