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 magnitude of the net force that the bolt exerts on the sign?
A)460 N
B)230 N
C)200 N
D)120 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 magnitude of the net force that the bolt exerts on the sign? 
A)460 N 
B)230 N 
C)200 N 
D)120 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 magnitude of the net force that the bolt exerts on the sign? 
A)460 N 
B)230 N 
C)200 N 
D)120 N 
E)300 N

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