Free Body Diagram Examples and Tips for a Simple Assignment | Homework Help

In summary, the conversation is about making a free body diagram poster for a physics assignment. The person is confused about how to make one and asks for an example. They are given tips on what to include in the diagram and are directed to online resources for further guidance. They also discuss real life situations where a free body diagram would be appropriate and the differences between weight and gravity.
  • #1
crcowboyfan
14
0

Homework Statement



Hey guys. My Physics teacher gave us an assignment to make a Free Body Diagram poster. He didn't give us any specifics, just told us that we can do whatever we want. I'm a little confused as to what I should do and how to make one of these. Could you give me an example of a pretty simple FBD and how to make it?

Thanks!

Homework Equations



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The Attempt at a Solution



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  • #2
In a free body diagram, you want to specify one object and separate it from everything else, hence the name "free-body." It would be good to indicate any forces acting on that body. Typical forces are the normal force and the weight force. It's also good to specify a coordinate system in your diagram. For a visual you can look here: http://en.wikipedia.org/wiki/Free_body_diagram
 
  • #3
https://www.physicsforums.com/blog/2007/09/27/my-first-sketchcast-free-body-diagram/
 
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  • #4
Ok, but could you give me a real life situation that would be appropriate to make a FBD for?

Thanks for the help
 
  • #5
crcowboyfan said:
Ok, but could you give me a real life situation that would be appropriate to make a FBD for?

Thanks for the help

Suppose you sit on a frictionless slide in a playground.
Determine the forces applied on you [which can be used to predict your motion].

You might want to consider your preference of a steep slide vs. a not-so-steep slide.
How would you analyze these choices?
 
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  • #6
visit my blog for some examples

http://www.mathlinks.ro/weblog.php?w=924

a person in an elevator would be interesting, try that :-]
 
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  • #7
Thanks for the examples!
 
  • #8
Are weight and gravity used interchangeably?
 
  • #10
Ok so how does this look?
 
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  • #11
crcowboyfan said:
Ok so how does this look?http://picture.vzw.com/mi/216060688_719998182_0.jpeg
how does what look?

lol
 
  • #12
rocophysics said:
how does what look?

lol

Oh, it was working before. Let me rehost it.

http://img505.imageshack.us/img505/7315/2160606887199981820qx5.th.jpg
 
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  • #13
can't see it ... way too small
 

1. What is a free body diagram?

A free body diagram is a visual representation of the forces acting on an object in a given system. It is used to analyze and understand the motion of an object by showing all the forces acting on it.

2. Why are free body diagrams important?

Free body diagrams are important because they help us understand the forces acting on an object and how they affect its motion. They are also used to solve problems involving forces and motion, making them a crucial tool in physics and engineering.

3. How do you draw a free body diagram?

To draw a free body diagram, you first need to identify the object of interest and all the forces acting on it. Then, draw a simple sketch of the object and label all the forces acting on it with arrows to indicate their direction. Finally, make sure the diagram is clear and organized, with all forces labeled and in the correct direction.

4. What are the key elements of a free body diagram?

The key elements of a free body diagram include the object of interest, all the forces acting on it, and the direction of each force. It is also important to include a coordinate system to indicate the direction and magnitude of the forces more accurately.

5. Can a free body diagram be used for non-physical systems?

Yes, a free body diagram can be used for non-physical systems such as financial systems or social systems. In these cases, the objects of interest may represent concepts or entities, and the forces may represent interactions or relationships between them.

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