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Principle of virtual work

  1. Sep 4, 2005 #1
    what is the principle of virtual work. In what circumstances this can be used to
    solve statics problems?
     
  2. jcsd
  3. Sep 4, 2005 #2

    HallsofIvy

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    That looks an awful lot like a homework problem a teacher would give in the hopes that you would simply read the textbook.
     
  4. Sep 4, 2005 #3
  5. Sep 4, 2005 #4
    This isn't really something that can be explained easily in a few sentences. But you use virtual work to find forces, and virtual forces to find displacements. You really need a textbook to learn this. Essentially though, if we allow a static system to undergoe a virtual displacement, the work done by all the forces acting on the system must equal zero.
     
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