Question: The truss shown has constant EA for all members. E = 2 9 , 0 0 0 ksi and A = 1 i n 2

The truss shown has constant EA for all members. E=29,000ksi and A=1in2. Using the direct stiffness method,
a. Determine all joint displacements. [6 points]
b. Determine all support reactions. [6 points]
c. Determine the axial force in each member. Be sure to state if the member is in tension or compression. [6 points]
d. Use MASTAN2 to model the truss and verify your answers. Ensure that the node numbers in your model match the node numbers shown in circles and the element numbers match those shown in squares. Attach a screenshot of your model, the axial force diagram and the support reactions calculated by MASTAN2[2 points]
The truss shown has constant EA for all members.

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