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| author | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
| commit | 7bc77cb1ed33745c720952c92b3b2747c5cbf2df (patch) | |
| tree | 449d555969bfd7befe906877abab098c6e63a0e8 /3886/CH20/EX20.7 | |
| parent | d1e070fe2d77c8e7f6ba4b0c57b1b42e26349059 (diff) | |
| download | Scilab-TBC-Uploads-master.tar.gz Scilab-TBC-Uploads-master.tar.bz2 Scilab-TBC-Uploads-master.zip | |
Diffstat (limited to '3886/CH20/EX20.7')
| -rw-r--r-- | 3886/CH20/EX20.7/20_7.sce | 20 | ||||
| -rw-r--r-- | 3886/CH20/EX20.7/20_7.txt | 6 |
2 files changed, 26 insertions, 0 deletions
diff --git a/3886/CH20/EX20.7/20_7.sce b/3886/CH20/EX20.7/20_7.sce new file mode 100644 index 000000000..9797210e8 --- /dev/null +++ b/3886/CH20/EX20.7/20_7.sce @@ -0,0 +1,20 @@ +//A flywheel
+omega0=41.888 //rad/sec
+omega=29.322 //rad/sec
+t=120 //sec
+//Kinematic equation gives
+alpha=(29.3224-41.888)/(120) //rad/sec^2
+//Weight of flywheel
+Wf=50000 //N
+//Radius of gyration
+k=1 //m
+I=(50000/9.81) //kg-m^2
+//(1) Retarding torque acting on the flywheel Tr
+Tr=5096.84*0.1047 //N-m
+//(2) Change in K.E.
+C.K.E=(5096.84*((41.888^2)-(27.322^2)))/(2) //N-m The answer provided in the textbook is wrong
+//(3) Change in its angular momentum
+C.A.M=5096.84*(41.888-29.322) //N-sec
+printf("\nRetarding torque acting on the flywheel Tr=%.3f N-m\nChange in K.E.=%.3f N-m\nChange in its angular momentum=%.3f N-sec",Tr,C.K.E,C.A.M)
+
+
diff --git a/3886/CH20/EX20.7/20_7.txt b/3886/CH20/EX20.7/20_7.txt new file mode 100644 index 000000000..f475b5e6a --- /dev/null +++ b/3886/CH20/EX20.7/20_7.txt @@ -0,0 +1,6 @@ +
+--> exec('E:\My program EM\20. Rotation of rigid bodies\20.7.sce', -1)
+
+Retarding torque acting on the flywheel Tr=533.639 N-m
+Change in K.E.=2569094.975 N-m
+Change in its angular momentum=64046.891 N-sec
\ No newline at end of file |