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Statics Question help please

  1. Jul 23, 2007 #1
    The question states, using mohrs cirlce, determine for the area indicated the values and orientation of the principal centroidal axis.


    So far I have this:


    i feel like only the Ixybar value is correct.

    i'm stuck on how to calculate the Ix and Iy for the two triangles and whether the values i have for those are correct or not. and from there, how do I go about getting the circle, and getting the theta and everything else i need.

    can someone please help!
  2. jcsd
  3. Jul 23, 2007 #2
    you can right click the image of my work, and save it. that way you can see it better.
  4. Jul 23, 2007 #3
  5. Jul 23, 2007 #4
    can someone help?
  6. Jul 24, 2007 #5
    is anyone able to help me?
  7. Jul 24, 2007 #6


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    Homework Helper

    Well, first of all, why didn't you calculate Imax and Imin?
  8. Jul 24, 2007 #7
    I did but then ereased it because i had gotten big numbers that didn't seem right.

    for Imax i got 627.9 and Imin i got -400.1.

    those didn't seem right. and now i'm just confused completely
  9. Jul 25, 2007 #8
    ok...well apparently nobody wants to help...
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