Use Virtual Work Method to answer the questions below considering the truss shown. Use the cross-sectional areas (A, in2) specified in the figure, E- 30 ksi and or 20x 10-6/ °F. "a" is hinge supported and "c" is roller supported. 80k (7.5) E 20' b (3) D + (7.5) 20⁰ 10
Use Virtual Work Method to answer the questions below considering the truss shown. Use the cross-sectional areas (A, in2) specified in the figure, E- 30 ksi and or 20x 10-6/ °F. "a" is hinge supported and "c" is roller supported. 80k (7.5) E 20' b (3) D + (7.5) 20⁰ 10
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Note: this is not a graded question please help us to understand how to solve this sample question thank you very much
A.) Select the answer that most nearly gives the vertical displacement of joint d in inches due to external force only . Put(-) negative sign if its downward.
choices:
-0.406
-0.854
-1.856
1.965
0.403
0.352
0.897
Note: please base your answer on the given choices thank you very much really need your help in the sample problem which is not a graded question
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