Moment of inertia about x=y=z

  • Thread starter Stevecgz
  • Start date
  • #1
68
0
I'm attempting to find the moment of inertia of a solid about the line x=y=z, but cannot figure out a formula to for distance between a point and the line x=y=z. I tried to simply by first looking at it in two dimensions, but I still haven't come up with anything. Any suggestions are appreciated.

Steve
 

Answers and Replies

  • #2
StatusX
Homework Helper
2,564
1
So, the distance between a point and a line is measured perpendicular to the line. So the first thing you should do is find the plane perpendicular to the line. Then project the vector from the origin to the point onto this plane. The projection is just the vector between the point and the line.
 
  • #3
68
0
Thanks StatusX, I was able to figure it out.
 

Related Threads on Moment of inertia about x=y=z

  • Last Post
Replies
6
Views
6K
  • Last Post
Replies
12
Views
7K
  • Last Post
Replies
3
Views
6K
Replies
3
Views
13K
  • Last Post
Replies
3
Views
2K
  • Last Post
Replies
1
Views
2K
Replies
15
Views
1K
  • Last Post
Replies
2
Views
2K
  • Last Post
Replies
2
Views
20K
  • Last Post
Replies
4
Views
1K
Top