267_Problem CHAPTER 9

267_Problem CHAPTER 9 - PROBLEM 9.182 Prob. 9.167 For the...

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

View Full Document Right Arrow Icon
PROBLEM 9.182 Prob. 9.167 For the component described in the problem indicated, determine ( a ) the principal moments of inertia at the origin, ( b ) the principal axes of inertia at the origin. Sketch the body and show the orientation of the principal axes of inertia relative to the x , y , and z axes. SOLUTION From the solution to Problem 9.143 and 9.167 32 34.106 10 lb ft s 50.125 34.876 0.96211 10 lb ft s 0 x y z xy yz zx I I I I II == ( a ) From Equation 9.55 0 00 xx y xy y z IKI K IK = or () ( ) ( ) 2 0 xyz z x y I −−− −= or ( ) 2 0 zx y x y  −− =  Then 22 0 and 0 y x y x y I I K KI + + = Now 1 34.876
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online