A tower used in an electrical substation supports a power line which exerts a horizontal tension of T = 500 lb on each side truss of the tower as shown. Determine the force in members BC, CM, and LM of a side trus

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A tower used in an electrical substation supports a power line which exerts a horizontal tension of T = 500 lb on each side truss of the tower as shown. Determine the force in members BC, CM, and LM of a side truss and indicate whether the members are in tension or compression.
[A]. CM = 833 lb T, CB = 3330 lb C, LM = 2670 lb T
[B]. CM = 581 lb T, CB = 2050 lb C, LM = 2000 lb T
[C]. CM = 325 lb T, CB = 3040 lb C, LM = 2670 lb T
[D]. CM = 58 lb T, CB = 1646 lb C, LM = 1600 lb T

Answer: Option A

Explanation:

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