Question: 8 . 1 Use the unit load method to calculate the vertical and horizontal displacements at joint A . The cross - sectional area and

8.1 Use the unit load method to calculate the vertical and horizontal displacements at joint A. The cross-
sectional area and the modulus of elasticity of all members are A=3in2 and E=29000ksi, respectively.
8 . 1 Use the unit load method to calculate the

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