Stability & Momentum Quiz

Which of the following best describes the concept of stability in a physical system?

• The ability to maintain equilibrium under external forces
• The tendency to accelerate when disturbed
• The capacity to store energy
• The resistance to change in motion

What is the principle of conservation of momentum?

• Momentum is always lost in collisions
• The total momentum of a closed system remains constant
• Momentum can be created and destroyed
• Momentum is only conserved in elastic collisions

In a perfectly elastic collision, which of the following statements is true?

• Kinetic energy is conserved
• Momentum is not conserved
• Some energy is transformed into heat
• The objects stick together after the collision

If an object is in a state of unstable equilibrium, what will happen if it is slightly disturbed?

• It will return to its original position
• It will remain in its new position
• It will move further away from its original position
• It will oscillate indefinitely

Which of the following factors does NOT affect the stability of an object?

• The height of its center of mass
• The base of support
• The mass of the object
• The color of the object

What happens to the momentum of two objects before and after a collision if no external forces act on them?

• Momentum is lost
• Momentum is gained
• Momentum is conserved
• Momentum is doubled

Which scenario best illustrates the concept of angular momentum?

• A car accelerating on a straight road
• A spinning figure skater pulling in their arms
• A ball rolling down a hill
• A person jumping off a diving board

In terms of stability, what does a low center of mass indicate?

• Increased stability
• Decreased stability
• No effect on stability
• Increased speed

Which of the following equations represents momentum?

• p = mv
• p = mgh
• p = ½mv²
• p = Fd

What is the effect of friction on the stability of an object?

• It decreases stability
• It has no effect
• It increases stability
• It only affects moving objects