A store's sign has a mass of 20 kg and is 3.0 m long. It is uniform, so its center of gravity is at the center of the sign. It is supported horizontally by a small loose bolt attached to the wall at one end and by a wire at the other end, as shown in the figure. What is the tension in the wire?
A) 460 N
B) 230 N
C) 120 N
D) 200 N
E) 300 N

Question

A store's sign has a mass of 20 kg and is 3.0 m long. It is uniform, so its center of gravity is at the center of the sign. It is supported horizontally by a small loose bolt attached to the wall at one end and by a wire at the other end, as shown in the figure. What is the tension in the wire? 
A) 460 N 
B) 230 N 
C) 120 N 
D) 200 N 
E) 300 N

Quizplus · Accepted Answer

The Answer of A store's sign has a mass of 20 kg and is 3.0 m long. It is uniform, so its center of gravity is at the center of the sign. It is supported horizontally by a small loose bolt attached to the wall at one end and by a wire at the other end, as shown in the figure. What is the tension in the wire? 
A) 460 N 
B) 230 N 
C) 120 N 
D) 200 N 
E) 300 N

A Store's Sign Has a Mass of 20 Kg and Is