In the truss shown in Fig. 10.65 the forces in the members $A B$ and $B C$ will be respectively (plus denotes tension)

- 1
  
  Zero and Zero
- 2
  
  $- W / \cos 60 °$ and $+ W \tan 60 °$
- 3
  
  $- W / \cos 60 °$ and Zero
- 4
  
  Zero and $+ W \tan 60 °$

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