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Homework Help: Sign convention in Mohr's circle

  1. Aug 9, 2016 #1
    1. The problem statement, all variables and given/known data
    I doubt that is the following notes (in the first picture), correct or not?
    Because i couldnt find any proof in the other book...

    2. Relevant equations

    3. The attempt at a solution
    Can I say that consider σ positive to right and τ positive downward, orientation (θ) clockwise as positve , rather than counterclockwise is positive ?

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  2. jcsd
  3. Aug 14, 2016 #2
    Thanks for the thread! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post? The more details the better.
  4. Aug 14, 2016 #3
    no,can you help?
  5. Aug 18, 2016 #4
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