Quick Statics Problem (equi. systems)

In summary, a quick statics problem is a type of physics problem involving solving for unknown forces or components in a system that is in equilibrium. To solve these problems, one should draw a free body diagram and use equations of equilibrium. Some common types include problems involving beams, trusses, and pulleys. To solve efficiently, one should isolate a single component and double check work. Quick statics can also be applied to real-world problems, such as analyzing forces on structures or determining the placement of supports for heavy objects.
  • #1
lc99
161
3

Homework Statement


upload_2018-4-29_0-32-57.png


Homework Equations

The Attempt at a Solution


I am getting 5/2 m as the answer.
(not a choice)

FR = -F1 -3F1 = -4F1
Mo = -F1(1) - 3F1(3) = -10F1
Mo = FRx
x = -10/-4 = 5/2
 

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  • #2
lc99 said:
FR = -F1 -3F1 = -4F1
Mo = -F1(1) - 3F1(3) = -10F1
Mo = FRx
x = -10/-4 = 5/2
Your answer of 5/2 m looks correct to me.
 
  • #3
Once again the correct answer does not appear in the textbook. Be not discouraged. It happens all the time. Your answer appears to be correct.
 
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Related to Quick Statics Problem (equi. systems)

1. What is a quick statics problem?

A quick statics problem is a type of problem in physics that involves solving for unknown forces or components of a system that is in equilibrium. This means that the net force and torque on the system is equal to zero.

2. How do I approach solving a quick statics problem?

The first step is to draw a free body diagram of the system, labeling all known forces and components. Then, use the equations of equilibrium (sum of forces and sum of torques) to solve for the unknowns.

3. What are the common types of quick statics problems?

Some common types of quick statics problems include problems involving beams, trusses, and pulleys. These problems often involve solving for the forces or components supporting the structure or object in question.

4. What are some tips for solving quick statics problems efficiently?

One tip is to start by isolating a single component or joint in the system and solving for the forces acting on it. This can simplify the problem and make it easier to solve. It is also important to double check your work and make sure all units are consistent.

5. Can I use quick statics to solve real-world problems?

Yes, quick statics can be used to solve real-world problems involving structures or objects in equilibrium. This can include analyzing the forces acting on a building or bridge, or determining the optimal placement of supports for a heavy object.

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