Headings Forces and
Motion Search Questions 
Momentum - Elastic Collision.
When two
objects collide they can either
bounce off each other (called an elastic
collision)
or stick together (called an inelastic
collision).
In a collision
between two objects which is either elastic
or inelastic
we can predict from the conservation
of momentum
that
the total momentum of the objects
before the collision
is the same as
the total momentum of the objects
after the collision.
With an elastic collision
the total kinetic
energy
is the same before and after the collision
but with an inelastic collision
the total kinetic energy
decreases.
An elastic collision happens between snooker
(or pool or billiard) balls.
Elastic collisions also happen between gas
particles.
Headings Forces and
Motion Search Questions
gcsescience.com Contents Index Quizzes gcsescience.com
Copyright © 2011 Dr. Colin France. All Rights Reserved.