Unit 6 Vocab

The product of a system’s mass and velocity:

• Impulse

• Linear momentum

• Recoil

• Net force

A collision where objects stick together and kinetic energy is not conserved:

• Elastic collision

• Isolated system

• Inelastic collision

• Impulse

A collision where objects bounce off and kinetic energy is conserved:

• Perfectly inelastic collision

• Impulse

• Recoil

• Elastic collision

A collision where objects stick together and lose the most kinetic energy:

• Elastic collision

• Recoil

• Perfectly inelastic collision

• Isolated system

A force applied over time that changes an object's momentum:

• Linear momentum

• Impulse

• Recoil

• Collision

A system where no net external force is acting on it:

• Isolated system

• Inelastic collision

• Momentum

• Recoil

The backward movement of an object due to momentum transfer:

• Recoil

• Elastic collision

• Impulse

• Conservation

The law stating that total momentum before and after a collision remains the same:

• Impulse theorem

• Law of conservation of momentum

• Law of inertia

• Law of acceleration

The unit for momentum and impulse (kg·m/s):

• Watt

• Newton-meter

• Joule

• Newton-second

The difference between final and initial momentum values (mass × change in velocity):

• Net momentum

• Momentum transfer

• Change in momentum

• Impulse