3D Equilibrium of 4-wheel support

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SUMMARY

The discussion focuses on determining the reactions at roller supports A and B for a plate measuring 460mm x 260mm subjected to a central load of 400N. The user calculated the sum of forces and moments, concluding that A + B equals 200N. The inquiry centers on whether the reactions at A and B are equal and how to ascertain their individual values, emphasizing the need for a clear definition of rotation axes in the analysis.

PREREQUISITES
  • Understanding of static equilibrium principles
  • Knowledge of force and moment summation techniques
  • Familiarity with roller support mechanics
  • Basic proficiency in 3D equilibrium analysis
NEXT STEPS
  • Study the concept of reaction forces in roller supports
  • Learn about calculating moments about different axes in 3D structures
  • Explore examples of static equilibrium problems involving multiple supports
  • Investigate the application of the equations of equilibrium in engineering mechanics
USEFUL FOR

Students in engineering mechanics, structural analysts, and anyone involved in solving static equilibrium problems in three-dimensional systems.

washer
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Homework Statement


The plate has a dimension of 460mm X 260mm, subjected to a central load of 400N.
Determine the reaction A and B, each representing a roller support as a wheel, located at the center of one edge. (opposite blue arrows have the same resultant value.)
Are they the same ? If not how can I find them out ?

15oN29.jpg


Homework Equations


N/A

The Attempt at a Solution


I did both force and moment summation giving me A+B=200.
I am sorry if this seems like a kindergarten problem.
 
Last edited:
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What did you take as rotation axes ?
 

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