Moment of inertia and Stress

  • #1
Hi..

Is there any one can explain to me or give a link that explains about condition of using Mass Moment of inertia or Area moment of inertia to Maximum Stress??

http://en.wikipedia.org/wiki/Mass_moment_of_inertia" [Broken]

http://en.wikipedia.org/wiki/List_of_area_moments_of_inertia" [Broken]

As I knows, the stress formula is :
MaxStress.jpg


As I knows, generally, I analysis a structure of Beam, etc, I used Area Moment of Inertia. But, I have a case which the knowing data is Mass moment of Inertia.

Thanks for your helps guys.. :biggrin:
 
Last edited by a moderator:

Answers and Replies

  • #2
tiny-tim
Science Advisor
Homework Helper
25,832
251
Hi ricky_fusion! :wink:
As I knows, generally, I analysis a structure of Beam, etc, I used Area Moment of Inertia. But, I have a case which the knowing data is Mass moment of Inertia.
moment of force = Stress times https://www.physicsforums.com/library.php?do=view_item&itemid=185" per displacement

moment of force = angular acceleration times mass moment

I don't understand how you can find the stress from the Mass moment of Inertia ("ordinary" https://www.physicsforums.com/library.php?do=view_item&itemid=31") …

can you show us this case in which the given data is mass moment? :smile:
 
Last edited by a moderator:
  • #5
Uupss......
Sorry I forgot to put put the question. :biggrin:
The question is :
How much the maximum load should be put, so the beam is not broken?

Btw,
Let's continued discussed this thread in here :
https://www.physicsforums.com/newreply.php?do=newreply&noquote=1&p=2206127" [Broken]

Thanxs to reply guys.

Ricky
 
Last edited by a moderator:

Related Threads on Moment of inertia and Stress

Replies
10
Views
13K
  • Last Post
Replies
7
Views
2K
  • Last Post
Replies
3
Views
3K
  • Last Post
Replies
6
Views
7K
  • Last Post
Replies
1
Views
3K
  • Last Post
Replies
16
Views
35K
Replies
1
Views
825
Replies
7
Views
6K
Replies
3
Views
6K
  • Last Post
Replies
1
Views
7K
Top