Impulse & Momentum Flashcards
1
Q
What is the product of mass and velocity
A
Momentum p=mv
2
Q
What is a change in momentum called?
A
Impulse
3
Q
What does Δp equal?
A
m * change in velocity
4
Q
What are the units for impulse?
A
Newton (Ns) or (kgm/s)
5
Q
How to reduce force on an object during collision
A
decrease the amount of force by increasing time of collision as Ft=mΔv
6
Q
How to find impulse through a Ft graph?
A
Find the area under the net force time graph
7
Q
What happens when momentum changes in an isolated system
A
it does not change youre a liar
8
Q
What are the different types of 1D Collisions?
A
- Hit and rebound
- Hit and Stick
9
Q
What are the two type of interactions?
A
Elastic and Inelastic
10
Q
How to calculate momentum in 2D?
A
- seperate units into x and y
- find the momentum for x
- find momentum for y
- pythagorean to find net & angle
11
Q
A
