PROBLEM 9.145 Determine the mass moment of inertia of the steel machine element shown with respect to the zaxis. (The density of steel is 7850 kg/m3.) SOLUTION See machine elements shown in Problem 9.145 Also note 1113.040 kgm=245.216 kgm=314.7969 kgm=47.3985 kgm=Using Fig. 9.28 for components 1 and 2 and the equations derived above for components 3 and 4, have Now ( ) ( ) ( ) ( )1234zzzzzIIIII=++−where () ( )()222110.2000.120113.040 kg0.2000.120m1222zI=+++22.0498 kg m=⋅()()22145.216 kg0.2000.0800.1000.160m12zI++21.78453 kg m23114.7969 kg3 0.1000.1200.100
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This note was uploaded on 07/11/2011 for the course EGM 2511 taught by Professor Jenkins during the Spring '08 term at University of Florida.