Question: As shown in Figure ( a ) , a vertical load P is applied to the truss structure at point C . The cross -

As shown in Figure (a), a vertical load P is applied to the truss structure at
point C.
The cross-sectional area of all truss members is 4cm2, and the relationship
between the stress-strain of the material is shown in Figure (b).
Find the relationship between the concentrated load P and the vertical deflection at point C.
As shown in Figure ( a ) , a vertical load P is

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