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

Question

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

Quizplus · Accepted Answer

The Answer of 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

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