Momentum Flashcards
1
Q
define the conservation of momentum
A
the total momentum before an event=the total momentum after the event if no external forces are applied
2
Q
what does it tell you if an object has a negative momentum
A
it is travelling in the opposite direction to an object with positive momentum
3
Q
what is the momentum of a parked car
A
0 as it isn’t moving
4
Q
2 factors affecting momentum
A
mass
velocity
