Would you rather walk in front of …
or…
How about…
or… (at the same velocity!)

Momentum  p  - " mass in motion"
- the product of the mass and the velocity of an object


p  mv
Momentum is a vector quantity whose direction is the same as its velocity.
Units:
kgm
kg
s

Momentum  p  - " mass in motion"
- the product of the mass and the velocity of an object


p  mv
How do the momenta compare if they move at the same velocity?
 
p mv


p
m

v

Momentum  p  - " mass in motion"
- the product of the mass and the velocity of an object


p  mv
Could they have the same momentum even though the truck is much more massive?

pm


v
 
p v
m