Statics(Frames question)

  • Thread starter theman408
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  • #1
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In a frame with hinged joints, is it possible when i cut a piece, that if i don't have given horizontal forces GIVEN, i can assume all horizontal forces zero? Or do i have to leave that piece that gives me zero as the last piece i analyze?
 

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  • #2
PhanthomJay
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Can you please clarify this question with a sketch or description of a sketch?
 
  • #3
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You should never assume forces are zero without verifying it with an equilibrium equation. I can draw you pin-jointed frames with vertical loads only; yet balancing horizontal forces are present. A simple 3-hinged arch will do as an example; that is, two inclined rods on hinged supports, carrying a central point load.
 

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