Momentum and Impulse Quiz

What is the formula for momentum?

• p = mv

• W = Fd

• F = ma

• E = mc^2

What is the product of the force and the time over which the force acts on an object called?

• Momentum

• Velocity

• Impulse

• Energy

What does the impulse-momentum theorem state?

• Mass is irrelevant

• Energy is conserved

• Velocity is constant

• Force causes a change in momentum

What is the law of conservation of momentum?

• Momentum is always decreasing

• Momentum is always increasing

• Momentum depends on the mass only

• The total momentum of all objects remains constant

What type of collision is characterized by both momentum and kinetic energy being conserved?

• Perfectly Inelastic

• Recoil

• Inelastic

• Elastic

What is the final velocity of two objects after a perfectly inelastic collision?

• m1v1,i + m2v2,i = m1v1,f + m2v2,f

• m1v1,i + m2v2,i = (m1 + m2)vf

• m1v1i+m2v2i=m1 v1f+m2v2f

• 0=m1v1+m2v2

What is the change in kinetic energy during a perfectly inelastic collision?

• Kinetic energy is conserved

• Kinetic energy is lost

• Kinetic energy increases

• Kinetic energy is irrelevant

What is the difference between conservation of momentum and conservation of kinetic energy in perfectly inelastic and elastic collisions?

• There is no difference

• Momentum is conserved in both, kinetic energy is not conserved in perfectly inelastic

• Kinetic energy is conserved in both, momentum is not conserved in perfectly inelastic

• Momentum is conserved in both, kinetic energy is conserved in perfectly inelastic

What is the formula for an elastic collision?

• 0=m1v1+m2v2

• m1v1,i + m2v2,i = (m1 + m2)vf

• m1v1,i + m2v2,i = m1v1,f + m2v2,f

• m1v1i+m2v2i=m1 v1f+m2v2f

What is the type of reaction characterized by both objects moving in opposite directions after the collision?

• Perfectly Inelastic

• Elastic

• Recoil

• Inelastic