What are the components of the reaction force at A for a truss bridge?

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In summary, a truss is a structural framework made of triangles used to support various structures. Its purpose is to distribute weight and forces and create longer spans without additional support. A "Very Easy Truss Problem" is a simplified version of a truss problem used to introduce students to truss analysis principles. To solve, one must identify forces and use principles of equilibrium and statics to solve a system of equations. Solving these problems helps develop problem-solving skills and understanding of truss analysis principles.
  • #1
NoobeAtPhysics
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Homework Statement



For the bridge shown in the diagram, find the components of the reaction force at A.

joints2.41.gif


Homework Equations



sum of force = 0

The Attempt at a Solution



sum of force y = 0 = Ay+by-F=0

Moment at B = 0 =-Ay*4 +F*3

therefore Ay = 3F/4

and Ax =0 (roller)
 
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  • #2
Correct.
 
  • #3
thanks, i put my solution in backwards online
 

Related to What are the components of the reaction force at A for a truss bridge?

1. What is a truss?

A truss is a structural framework consisting of straight pieces joined together to form a series of triangles. It is commonly used in construction to support roofs, bridges, and other structures.

2. What is the purpose of a truss?

The purpose of a truss is to distribute and transfer weight and forces across its structure, making it strong and stable. It also allows for longer spans to be created without the need for additional support.

3. What is a "Very Easy Truss Problem"?

A "Very Easy Truss Problem" is a simplified version of a truss problem that is commonly used to introduce students to the principles of truss analysis. It usually involves a simple truss structure with a few known forces and requires solving for unknown forces using basic equations.

4. How do you solve a "Very Easy Truss Problem"?

To solve a "Very Easy Truss Problem", you first need to identify all the known and unknown forces acting on the truss. Then, using the principles of equilibrium and the equations of statics, you can solve for the unknown forces by setting up and solving a system of equations.

5. What are the benefits of solving "Very Easy Truss Problems"?

Solving "Very Easy Truss Problems" helps to develop problem-solving skills and a better understanding of the principles of truss analysis. It also lays the foundation for more complex truss problems and other structural analysis tasks.

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