Question: The symmetric truss ABCDE shown in the figure is constructed of four bars and supports a load P at joint E. Each of the two

The symmetric truss ABCDE shown in the figure is constructed of four bars and supports a load P at joint E. Each of the two outer bars has a cross-sectional area of 0.307 in.2, and each of the two inner bars has an area of 0.601 in.2 The material is elastoplastic with yield stress ÏƒY = 36 ksi.
Determine the plastic load PP.

21 in.+-54 in.- +21 in. 36 in.

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