Mech - Girder Section - Picture included

  • Thread starter Thread starter Chantry09
  • Start date Start date
  • Tags Tags
    Picture Section
Click For Summary

Homework Help Overview

The discussion revolves around a mechanics problem involving a girder section and the balance of weights on support points. Participants are exploring how to analyze the forces and moments acting on the structure based on a provided image.

Discussion Character

  • Exploratory, Assumption checking, Problem interpretation

Approaches and Questions Raised

  • Participants are questioning whether the weights on the supports are equal or if they need to be calculated using dimensions represented by letters. There is a discussion about taking moments and using relative distances, despite the absence of specific measurements.

Discussion Status

The conversation is ongoing, with some participants suggesting methods to approach the problem, such as using unit distances to simplify calculations. There is no explicit consensus on the method to be used, and multiple interpretations of the problem are being explored.

Contextual Notes

Participants note the lack of specific distance measurements and express a need for resources to better understand support structures in mechanics.

Chantry09
Messages
59
Reaction score
0

Homework Statement



http://img132.imageshack.us/img132/8958/mechanicsgv3.jpg

The Attempt at a Solution



(i) Is the weight balanced on both sides in a situation like this, in which case it would be:

(6000 +3000) / 2 = 4500N on A and 4500N on G

Or are the weights not equal and infact I am meant to work it out with dimensions in terms of letters, for example A-C?

------------------------------------------------------------------------------

(ii) Could anyone tell me where i can learn about these support structures, i brought a mechanics book but it doesn't cover and after looking on the internet i can't find any good sources of information to teach me.
 
Last edited by a moderator:
Physics news on Phys.org
Spadez said:
Or are the weights not equal and infact I am meant to work it out with dimensions in terms of letters, for example A-C?

Hi Spadez! :smile:

No, they're not equal.

Hint: take a moment.
 
Ok, so i take moments but i have to use the distance with respect to the letters, I am not given any distances. Can i still do it like that?
 
hmm … assuming the triangles are all the same, just say "let AC = CE = EG = 1 unit" … the units will cancel in the end :smile:
 

Similar threads

What are the confusing questions about structural I beams and cones?
  • · Replies 3 ·
Replies
3
Views
5K
Kerbal Space Program - Rocket Design Basics
  • · Replies 2 ·
Replies
2
Views
11K
Meet jtbell: Meet a Mentor Series Interview
  • · Replies 12 ·
Replies
12
Views
7K
Graduate The reality of Configuration space
  • · Replies 94 ·
4
Replies
94
Views
28K
A syllabus of books/literature from calculus to group theory to QFTs
  • · Replies 26 ·
Replies
26
Views
19K
Newb vs Noob Guide: Understanding the Difference and How to Avoid Them
  • · Replies 22 ·
Replies
22
Views
25K
Mathematica This Week's Finds in Mathematical Physics (Week 231)
  • · Replies 5 ·
Replies
5
Views
3K
Mathematica This Week's Finds in Mathematical Physics (Week 231)
  • · Replies 5 ·
Replies
5
Views
3K
Mathematica This Week's Finds in Mathematical Physics (Week 261)
  • · Replies 5 ·
Replies
5
Views
3K
Mathematica This Week's Finds in Mathematical Physics (Week 266)
  • · Replies 1 ·
Replies
1
Views
4K