COSMOS Chapter 9 Solution 145 | Answer Key - Edubirdie

University:
Michigan State University
Course:
ERG 160 | Success in Science, Technology, Engineering, and Mathematics
Academic year:

2021
Views:

256

Pages:

1
Author:

FrextWhestembki

COSMOS: Complete Online Solutions Manual Organization System Chapter 9, Solution 145. See machine elements shown in Problem 9.144 m1 = 113.040 kg Also note m2 = 45.216 kg m3 = 14.7969 kg m4 = 7.3985 kg Using Fig. 9.28 for components and and the equations derived above for components and , have I z = ( I z )1 + ( I z )2 + ( I z )3 − ( I z )4 Now where 2 2  1  ( 0.200 )2 + ( 0.120 )2  +  0.200  +  0.120    m 2        2    12   2  ( I z )1 = (113.040 kg )  = 2.0498 kg ⋅ m 2 ( I z )2 2 2 2 2  1 = ( 45.216 kg )  ( 0.200 ) + ( 0.080 )  + ( 0.100 ) + ( 0.160 )   m 2     12 = 1.78453 kg ⋅ m 2 1  2 2 2 2  3 ( 0.100 ) + ( 0.120 )  + ( 0.100 ) + ( 0.060 )   m 2     12  ( I z )3 = (14.7969 kg )  = 0.25599 kg ⋅ m 2 ( I z )4 2 2 2 2  1 = ( 7.3985 kg )  3 ( 0.050 ) + ( 0.120 )  + ( 0.100 ) + ( 0.060 )   m 2    12  = 0.114122 kg ⋅ m 2 Then I z = ( 2.0498 + 1.78453 + 0.25599 − 0.114122 ) kg ⋅ m 2 = 3.97629 kg ⋅ m 2 or I z = 3.98 kg ⋅ m 2

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