Static Equilibrium: Solving Homework Problem

In summary, the conversation is about a problem that needs to be solved, involving three equations for sum of forces in the X and Y direction and moment at point A. The person is confused about how to solve the problem, particularly with regards to the distributed and concentrated loads, and is seeking clarification and help. They mention having calculated values for Ax and Ay, but are unsure if they are correct. The problem is a rotational equilibrium problem, and there is a 600 kips value at 60 degrees that needs to be replaced with new values for each of the three questions.
  • #1
*Jim*
2
0

Homework Statement


The problem is attached below.


Homework Equations


Is there only 3 equations to be solved for? Sum of Forces in X and Y direction and Moment at A?


The Attempt at a Solution


I know everything needs to be set to zero. But getting beyond this is confusing me. The distributed load does not have a specific length given, would it be multiplied by 1/2 or 1/3 of 15ft? And is the concentrated load calculated by 600 sin 60 then times the total length of 15 ft? For Ay = 502 and Ax = 7010 is what I ended up calculating but I have a feeling it is way off. Any help is welcome I am trying to understand this example problem to complete the 3 that are listed in the picture.
 

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  • #2
Your problem is a bit vague. What exactly must you be solving for? The directs say "repeat problem." What is "the problem"? Some of us might be able to figure it out. It looks like a rotational equilibrium problem, but hey, I am teaching a class right now.

And what is that "600 K" at 60 degrees?
 
  • #3
I have to replace the values for each of the 3 questions, along with Free Body Diagrams. Then put there reactions in an excel document. The 600 is 600 kips in the picture. Initially what's pictured is an example and I have to changes the values for each question. I am trying to solve the example so I understand the proper way to calculate the 3 questions.
 

FAQ: Static Equilibrium: Solving Homework Problem

What is static equilibrium?

Static equilibrium is a state in which an object is at rest or moving at a constant velocity with no acceleration. This occurs when the net force and net torque acting on the object are both equal to zero.

How do you determine if an object is in static equilibrium?

To determine if an object is in static equilibrium, you must first identify all the forces and torques acting on the object. Then, you can use Newton's laws of motion and the equations for torque to calculate the net force and net torque. If both values are equal to zero, the object is in static equilibrium.

What is the difference between static and dynamic equilibrium?

In static equilibrium, an object is at rest or moving at a constant velocity with no acceleration. In dynamic equilibrium, an object is still moving, but at a constant velocity with no change in direction. This occurs when the net force on the object is equal to zero, but the object may still have a non-zero net torque.

How do you solve a homework problem involving static equilibrium?

To solve a homework problem involving static equilibrium, you must first draw a free body diagram to visualize all the forces and torques acting on the object. Then, you can use the equations for force and torque to set up a system of equations and solve for the unknown variables.

What are some common mistakes when solving static equilibrium problems?

Some common mistakes when solving static equilibrium problems include not considering all the forces and torques acting on the object, not correctly identifying the direction of the forces, and not using the correct equations for force and torque. It is important to carefully analyze the problem and double check your work to avoid these errors.

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