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Radius of gyration

  1. Apr 14, 2005 #1
    what is radius of gyration? How this is practically applied ? Any application example website?
     
  2. jcsd
  3. Apr 14, 2005 #2

    arildno

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    Given an object of mass m and arbitrary shape, its radius of gyration with respect to a fixed axis is the number [tex]r_{g}[/tex] so that the moment of inertia "I" of that object with respect to that axis can be written:
    [tex]I=mr_{g}^{2}[/tex]
    Assuming you've got a way to measure applied torque and angular acceleration, the object's radius of gyration can be determined experimentally.
     
  4. Apr 16, 2005 #3
    any application in practical?
     
  5. Apr 27, 2005 #4
    Columns, it is the determining factor for Euler buckling.
     
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