What is the expression for the traction term tn in the element load v – McqOptions

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1.	What is the expression for the traction term tn in the element load vector Qe=∮┌cheψTtds of the following figure where L23 is the length of the line 2-3?
A.	tn=-T(-1+\(\frac{s}{L_{23}})\)
B.	tn=T(-1+\(\frac{s}{L_{23}})\)
C.	tn=-T(1+\(\frac{s}{L_{23}})\)
D.	tn=T(1+\(\frac{s}{L_{23}})\)
Answer» C. tn=-T(1+\(\frac{s}{L_{23}})\)

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