Multiple Choice
A 400-N uniform vertical boom is attached to the ceiling by a hinge, as shown. An 800-N weight W and a horizontal guy wire are attached to the lower end of the boom as indicated. The pulley is massless and frictionless. The tension force T of the horizontal guy wire has magnitude: 
A) 340 N
B) 400 N
C) 690 N
D) 800 N
E) 1200 N
Correct Answer:
Verified
Correct Answer:
Verified
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