WHAT DID YOU LEARN?
ALWAYS BE NICE TO THE BAGGAGE GUYS!
In scientific gobble-de-speak, Newton's 2nd Law says:
2. The change of momentum of an object is proportional to the force applied, and happens in the direction that the force is applied.
After we talk about it you will probably think it is just plain 'ol common sense, made complicated by big scientific words.
Now for some basic
science. Don't worry...
it won't hurt a bit.