152_Problem CHAPTER 9

152_Problem CHAPTER 9 - PROBLEM 9.124 Determine by direct...

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

View Full Document Right Arrow Icon
PROBLEM 9.124 Determine by direct integration the moment of inertia with respect to the x axis of the tetrahedron shown assuming that it has a uniform density and a mass m . SOLUTION Have 1 ay xy a a hh  =+   and 1 by zy b b For the element shown 2 11 1 22 y dm xzdy ab dy h ρρ == + Then 2 0 1 1 2 h y md m a b d y h ρ + ∫∫ 0 3 1 1 23 h hy ab h + () ( ) 33 1 1 6 abh =− 1 6 abh = Now, for the element
Background image of page 1
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