Translational Equilibrium and Forces Quiz

What does translational equilibrium imply about the net force acting on a particle?

• The net force is equal to the mass of the particle
• The net force is zero
• The net force is equal to the gravitational force
• The net force is equal to the frictional force

In a free-body diagram, which of the following forces must be included when analyzing an object on a flat surface?

• Only the gravitational force
• Only the normal force
• Frictional force and normal force
• Only applied forces

Which equation represents the condition for equilibrium in the x-direction?

• ΣF_x = 0
• ΣF_y = 0
• F_net = ma
• F_friction = μN

What is the relationship between static and kinetic friction coefficients for the same surfaces?

• μ_s < μ_k
• μ_s = μ_k
• μ_s > μ_k
• μ_s is irrelevant

According to Hooke's Law, what happens to the restoring force when a spring is stretched?

• It increases proportionally to the extension
• It decreases proportionally to the extension
• It remains constant
• It becomes zero

What is the significance of the spring constant (k) in Hooke's Law?

• It determines the mass of the spring
• It indicates the stiffness of the spring
• It measures the length of the spring
• It has no significance

When an object is on an inclined plane, which force acts perpendicular to the surface?

• Weight
• Friction
• Normal force
• Tension

In the context of inclined planes, what does the angle θ represent?

• The angle of friction
• The angle of the incline
• The angle of the normal force
• The angle of the applied force

How do you resolve the weight of an object on an inclined plane into components?

• Using sine and cosine functions
• Using tangent functions
• Using only cosine functions
• Using only sine functions

What is the effect of increasing the angle of an inclined plane on the acceleration of an object sliding down?

• Acceleration decreases
• Acceleration remains constant
• Acceleration increases
• Acceleration becomes zero