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Square Tubing Strenght

  1. Mar 27, 2017 #1
    Interesting project. I was going to post my question as a standalone but I'll post it here first, as you refer to square aluminum tubing.

    I've got a 2 foot long steel square tube, not a rod. If I were to place it on two fulcrums -- one on each end -- and hang a weight from the middle of the square tube, would the tube be able to support more, the same, or less weight if it were laid flat on the fulcrums or if it were laid with one of its 90 degree edges on the fulcrums?
     
  2. jcsd
  3. Mar 29, 2017 #2

    russ_watters

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    Staff: Mentor

    Are you familiar with the concept of "moment of inertia"? Do you know how the moment of inertia of a square and diamond differ?
     
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