198_Problem CHAPTER 9

# 198_Problem CHAPTER 9 - PROBLEM 9.145 Determine the mass...

This preview shows page 1. Sign up to view the full content.

PROBLEM 9.145 Determine the mass moment of inertia of the steel machine element shown with respect to the z axis. (The density of steel is 7850 kg/m 3 .) SOLUTION See machine elements shown in Problem 9.145 Also note 1 113.040 kg m = 2 45.216 kg m = 3 14.7969 kg m = 4 7.3985 kg m = Using Fig. 9.28 for components 1 and 2 and the equations derived above for components 3 and 4, have Now ( ) ( ) ( ) ( ) 1234 zz z z z I IIII =++− where () ( ) () 22 2 1 1 0.200 0.120 113.040 kg 0.200 0.120 m 12 2 2 z I   =+ + +      2 2.0498 kg m =⋅ ()() 2 2 1 45.216 kg 0.200 0.080 0.100 0.160 m 12 z I + + 2 1.78453 kg m 2 3 1 14.7969 kg 3 0.100 0.120 0.100
This is the end of the preview. Sign up to access the rest of the document.

## 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.

Ask a homework question - tutors are online