4. Which of the following force diagrams correctly shows the reactions at the supports? A w w w R2 B.

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For the next two questions, refer to the bridge constructed at Poly Bridge 2. Both ends of the bridges are pinned to the edges.
4. Which of the following force diagrams correctly shows the reactions at the supports?
A
В
w
w
R
D
5. Which of the following statements is TRUE about the truss system?
Transcribed Image Text:For the next two questions, refer to the bridge constructed at Poly Bridge 2. Both ends of the bridges are pinned to the edges. 4. Which of the following force diagrams correctly shows the reactions at the supports? A В w w R D 5. Which of the following statements is TRUE about the truss system?
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