Momentum 1 Flashcards
1
Q
What is thee momentum of an object proportional to?
A
Velocity and mass
2
Q
What is momentum symbol and measurement?
A
p=kgm/s
3
Q
What is the law of conservation of momentum?
A
In a closed system, the total momentum before any event is equal to the total momentum after the event
4
Q
Why is momentum conserved in an explosion?
A
The two objects are moving in opposite directions and momentum is a vector quantity
5
Q
What is a closed system when talking about conservation of mass?
A
When no other forces are acting but the main event e.g air resistance
