Torque and tension

  • Thread starter slipF
  • Start date
  • #1
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http://s87050427.onlinehome.us/scan.jpg [Broken]
how would I do this, and how would I solve for tension in the wire?
What i did was completely wrong, and I appologize in advance for my horrible horrible, handwriting.
Thanks in advance!
oh, and a quick response would be greatly appreciated, my exam is tomorrow :)
 
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Answers and Replies

  • #2
281
1
:rofl: lol... I can't seem to make that picture the right size, it's either really really big, or really really tiny..

can you post the question? also post the work you've done so far
 
  • #3
281
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nevermind,,, I think I can make it out
 
  • #4
281
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Sorry,, the computer lab is closing,,, I didn't have time to work on your question
 
  • #5
1,789
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First draw a freebody diagram. You should be able to identify all the forces even though some of them would be eliminated from the mathematical analysis. This includes reactions, tension, etc.
 
  • #6
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how exactly would i model the forces acting on the wall?
the hypotnuse is not 90degrees, so im not sure how i would handle that
 
  • #7
Doc Al
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slipF said:
how exactly would i model the forces acting on the wall?
the hypotnuse is not 90degrees, so im not sure how i would handle that
You want the forces acting on the pole, not on the wall. The forces that the wall exerts on the pole are given.

Big hint: Since the pole is in equilibrium, the sum of the forces acting on it (in any direction) is zero.
 
Last edited:
  • #8
10
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ah ok, so the pole is 5kg
is it correct in saying the tension in the wire is 276.64 N too?
 
  • #9
Doc Al
Mentor
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1,290
You got it.
 

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