Solving a Statics Question - Reaction Force Ay

  • Thread starter ikrom52
  • Start date
  • Tags
    Statics
In summary, the conversation is about a statics question regarding a boom supported by a ball and socket joint and a guy wire. The question asks for the magnitude of the reaction force Ay for equilibrium. The person is having trouble solving the problem due to too many unknown forces. A sketch and image of the question is provided. The solution involves taking moments about an axis parallel to Ax passing through B.
  • #1
ikrom52
4
0
Hello, so I have a statics question which I am having trouble with.

The question is : A boom is supported by a ball and socket joint at A and a guy wire at B.If the loads in the cables are each 8kN and they lie in a plane which is parallel to the x-z plane, what is the magnitude of the reaction force Ay for equilibrium.

I made a sketch with all the forces but the problem is I am getting too many unknown forces to solve.So I am thinking maybe I wrongly showed the forces.My sketch is shown below and the questions image also.
Thanks

http://img46.imageshack.us/img46/2759/stsk.jpg
 
Last edited by a moderator:
Physics news on Phys.org
  • #2
The 8 kN forces each have vertical components of 4 kN. Take moments about an axis parallel to Ax but passing through B, and you get Ay directly from this equation.
 
  • #3
ok thks ill try that
 

Related to Solving a Statics Question - Reaction Force Ay

1. What is a reaction force Ay in a statics problem?

A reaction force Ay is the vertical force exerted by a support or constraint on an object in a statics problem. It is often used to calculate the overall force balance in a system.

2. How do I calculate the reaction force Ay in a statics problem?

The reaction force Ay can be calculated by summing all the other forces acting on the object in the vertical direction and then taking the negative of that value. This is based on Newton's third law, which states that for every action, there is an equal and opposite reaction.

3. What are some common sources of error when calculating the reaction force Ay?

Some common sources of error include not considering all the forces acting on the object, not properly accounting for the direction of the forces, and not using the correct units in the calculation.

4. How can I ensure accuracy when solving a statics problem involving the reaction force Ay?

To ensure accuracy, it is important to carefully identify and consider all the forces acting on the object and their respective directions. It is also important to double-check units and calculations to avoid errors.

5. Can I use the reaction force Ay in a dynamic system?

No, the reaction force Ay is specific to statics problems and cannot be used in dynamic systems where the object is in motion. In a dynamic system, the force balance equation is more complex and involves other factors such as acceleration and inertia.

Similar threads

Static Equilibrium Reaction Question about Fixed Point
Replies
3
Views
470
Engineering Two approaches in statics not adding up
Replies
5
Views
1K
Statically Indeterminte sort into groups
Replies
1
Views
7K
3D Equillibrium Statics Problem - Reaction Forces/Moments
Replies
4
Views
2K
I Reaction force of and its relation to normal force and friction
Replies
20
Views
2K
What determines the direction of static friction forces?
Replies
6
Views
1K
I Statics: When the reactions depend on the displacements
2
Replies
35
Views
2K
Statically Indeterminate Truck - Finding reaction forces at supports
Replies
8
Views
2K
How Do Support Reactions Affect 2D Static Equilibrium in a Shopping Cart?
Replies
6
Views
1K
Statics: Statically Indeterminate Unstable Plane Truss
Replies
4
Views
4K

Hot Threads

Recent Insights

Back
Top