Why are there no moment restrictions shown in the diagram for this case?

  • Thread starter Thread starter werson tan
  • Start date Start date
  • Tags Tags
    Motion
Click For Summary
SUMMARY

The discussion centers on the absence of moment restrictions in a structural diagram, specifically regarding a structure supported by a hinge at point C and a bearing at point A. It is established that these supports effectively prevent rotational motion about the x, y, and z axes. Consequently, the focus shifts to balancing applied loads and reaction forces, rather than imposing moment restrictions such as M_AZ and M_AX in the diagram.

PREREQUISITES
  • Understanding of structural mechanics principles
  • Familiarity with hinge and bearing support types
  • Knowledge of load balancing in static structures
  • Basic concepts of rotational motion in engineering
NEXT STEPS
  • Study the role of hinge and bearing supports in structural analysis
  • Learn about moment restrictions in structural diagrams
  • Explore static equilibrium and load balancing techniques
  • Investigate the implications of rotational motion in engineering structures
USEFUL FOR

Structural engineers, civil engineering students, and anyone involved in analyzing or designing static structures will benefit from this discussion.

werson tan
Messages
183
Reaction score
1

Homework Statement


the whole structure wouldn't turn about x , y, and z direction , am i right ? why there are no moment restriction in this case(bottom) just in the above case , namely M_AZ and M_AX

Homework Equations

The Attempt at a Solution

 

Attachments

  • 94.png
    94.png
    64.5 KB · Views: 348
Physics news on Phys.org
werson tan said:

Homework Statement


the whole structure wouldn't turn about x , y, and z direction , am i right ? why there are no moment restriction in this case(bottom) just in the above case , namely M_AZ and M_AX

Homework Equations

The Attempt at a Solution

The placement of the hinge at C and the bearing at A pretty much eliminate the possibility of any rotational motion. All that's left is to balance the applied load and the reaction forces.
 
SteamKing said:
The placement of the hinge at C and the bearing at A pretty much eliminate the possibility of any rotational motion. All that's left is to balance the applied load and the reaction forces.
ya , why no sign of restriction of moment are indicated on the diagram ?
 

Similar threads

  • · Replies 25 ·
Replies
25
Views
2K
Replies
10
Views
2K
  • · Replies 1 ·
Replies
1
Views
1K
  • · Replies 1 ·
Replies
1
Views
1K
Replies
7
Views
2K
  • · Replies 41 ·
2
Replies
41
Views
4K
Replies
4
Views
1K
  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 2 ·
Replies
2
Views
5K
  • · Replies 5 ·
Replies
5
Views
2K