1.
A push or a pull acting on an object
2.
Forces acting on an object that are opposite in SIZE and DIRECTION
3.
A force that requires objects to touch (e.g. friction)
4.
A force that acts at a distance (e.g. gravity)
5.
Force that pulls objects on earth down; force between two objects with mass
6.
Friction caused by air pushing against an object
7.
Distance divided by time
8.
Change in speed or direction
9.
Mass times gravitational constant
13.
Another word for air resistance