Physics 5.9.2

Question 1

The Principle of Conservation of Momentum States that:

Answer 1

In a Closed System, the Total Momentum Before an Event is Equal to the Total Momentum After the Event.

Question 2

What does a ‘Closed System’ mean?

Answer 2

A Closed System means the Energy within the System is Constant, & the Absence of External Forces, eg Friction.

Question 3

The Total Momentum Before a Collision = …

Answer 3

The Total Momentum After a Collision

Question 4

What will happen to the Overall Momentum if a System of Objects Moved in Opposite Directions (e.g. Towards each other) at the Same Speed?

Answer 4

They will have an Overall Momentum of 0, since they will Cancel Out.

Question 5

Momentum is always ___ over Time.

Answer 5

Conserved.