3
A change in speed, direction, or speed AND direction
4
Something that slows friction.
5
When all forces acting on an object are balanced
6
Objects not equal in size and direction
7
Pulls unlike poles together and push apart (repel) like poles.
8
Slows down motion. Will produce heat.
9
Speed and direction
10
The force holding everything to the surface of the earth.
11
How something feels, like rough or smooth. It will make a difference in friction.
12
Force is measured as this
14
A push or pull that acts on an object
15
A change in an object\'s position.
17
The rate at which work is done.
18
What happens when force moves an object.
19
The amount of matter in an object
