Quiz #5 - Newton's Third Law (NTL) & Momentum

Newton's third law states that for every action force there is an ______ & ______ reaction force.

equal & opposite

When writing an action-reaction force pair, you need to include:

objects & directions

Finish this this action-rection force pair: "hammer hits nail down" so...

nail hits hammer up

Action-Reaction force pairs are equal in...

magnitude (amount) & time

Action-Reaction force pairs are opposite in...

direction

Momentum depends on two quantities...

mass & velocity

Another term for momentum is...

motional inertia

A finger presses a doorbell button. Which pushes harder?

Neither - forces are equal!

A car collides with a bug. Why does the bug accelerate so much more than the car?

bug has less mass, leading to more acceleration

What variable do we use to represent momentum?

p

What unit is used to measure momentum?

kg*m/s

What is the unit used to measure force?

N

________ CAN be passed from object to object

momentum

________ CANNOT be passed from object to object

force