Collisions Flashcards
0
Q
Define a perfectly elastic collision.
A
A collision where both momentum and kinetic energy are conserved.
1
Q
State the principle of conservation of momentum.
A
When two or more bodies interact the total momentum remains constant provided no external forces act.
2
Q
Define an in elastic collision.
A
A collision where momentum is conserved, but kinetic energy is not.
3
Q
Why is kinetic energy not always conserved?
A
Kinetic energy is transformed into other types of energy, such as heat or sound energy.
