A 400-N Uniform Vertical Boom Is Attached to the Ceiling

question 51

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

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