When using the method of sections to find a force in a truss, how to orient the cut?

  • Thread starter sunsee
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  • #1
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Homework Statement


So, there is method of joints and method of sections to find the force of specific members of the trusses. They only give examples where the section was cut vertically or diagonally. Can it also be cut in a semi-circle? I tried it out and it didn't give the right answer.


Homework Equations



Method of Sections

The Attempt at a Solution



Does it have to be a straight line or can it be oriented in other ways?
 

Answers and Replies

  • #2
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No matter where you make the cut the sum of the forces/moments must equal zero. You can certainly do a semi circle for your section. If its not coming out right then your probably missing something.

Hope this helps!
 

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