Newtons 3 Laws

First Law "Law of Inertia"

Object will remain in its
current motion when net force is 0.

Fnet=0

Inertia: Objects resistance to changing
it's current state of motion.

More Mass = More Inertia

Second Law

Fet=#

Fnet=ma

When there is a net force the object
will accelerate in the direction of the net force.

Third Law "Action Reaction Law"

Every action has a equal
and opposite reaction.

There must be at least two different FBD's

Forces can not be in the same FBD

Weight is not the same as mass.