Shear Stress in a hollow shaft

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  • #1
member 392791

Homework Statement





Homework Equations





The Attempt at a Solution


Hello,

I am wondering, is the area A in the equation meant to be the area of the empty space in the shaft, going all the way to the half way point of the structure (meaning, the area of the space included in the dotted lines in the diagram on my attempt?
 

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  • 3.142 attempt 1.pdf
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Answers and Replies

  • #2
SteamKing
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Yes, A is the area enclosed by the midline. As I said in your other problem, A is the average of the area to the outside surface and the area to the inside surface.
 
  • #3
member 392791
Okay, how does it look now?
 

Attachments

  • 3.142 attempt 2.pdf
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  • #4
SteamKing
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Looks good. Your stress units should probably be in pascals.
 

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