Static Equilibrium and Torque Quiz

What is the mass of the sign in the static equilibrium problem?

• 25 kg

• 18 kg

• 35 kg

• 10 kg

What angle does the cable make with the beam?

• 30°

• 35°

• 60°

• 45°

In static equilibrium, what is the sum of all forces?

• Greater than zero

• Less than zero

• Equal to zero

• Depends on the system

Which forces contribute to the torque in this problem?

• The y component of the tension force and the weight of the sign

• Only the tension force

• All forces

• Only the weight of the sign

What is the torque from the sign calculated as?

• 18 * 9.8 * 2.10

• 25 * 9.8 * 1.05

• 18 * 9.8 * 1.05

• 25 * 9.8 * 2.10

How is the x component of the tension force calculated?

• Using sine of the angle

• Using cosine of the angle

• Directly from the force

• Using tangent of the angle

What is the y component of the tension force?

• 257 N

• 444 N

• 299 N

• 370 N

What is the magnitude of the force of tension in the cable?

• 427 N

• 299 N

• 444 N

• 521 N

What is the magnitude of the force from the hinge?

• 299 N

• 427 N

• 444 N

• 521 N

What is the angle of the force from the hinge above the beam?

• 60°

• 16°

• 35°

• 45°