A-LEVEL PHYSICS: 4.5.5: Collisions (SaveMyExams)

Question 1

In both Elastic & Inelastic Collisions, ___ is Conserved.

Answer 1

Momentum.

Question 2

Elastic Collision: (2)

Answer 2

-Momentum is Conserved

-Kinetic Energy is Conserved

Question 3

Inelastic Collision: (2)

Answer 3

-Momentum is Conserved

-Kinetic Energy is Not Conserved

Question 4

In Elastic Collisions, the objects collide & do not ___ ___, & move in ___ ___.

Answer 4

stick together, Opposite Directions

Question 5

In Inelastic Collisions, the objects collide & ___ ___, & move in…

Answer 5

stick together, Same Direction

Question 6

How can you find out whether a Collision is Elastic or Inelastic?

Answer 6

Compare the Kinetic Energy Before & After the Collision.

Question 7

How can the Force of Impact in a car crash be Decreased?

Answer 7

By Increasing the Contact Time over which the Collision Occurs.

Question 8

Vehicle Safety features to Reduce Impact Force: (3)

Answer 8

-Seat belts
-Crumple Zones
-Airbags