Motion

6. the forces that are in opposition to the relative motion of an object as it passes through the air.
8. only magnitude, no direction
11. occurs when a wheel, ball, or cylinder rolls freely over a surface
12. increase in the rate of speed
13. the resistance created by any two objects when sliding against each other
17. a set of criteria or stated values in relation to which measurements or judgments can be made.
19. The moving of something from its position
20. super fast

1. friction between layers of a viscous fluid that are moving relative to each other.
2. Forces the force applied in one direction is greater than the force applied in the opposite direction
3. space between two things
4. The friction experienced when individuals try to move a stationary object on a surface
5. When two forces are the same strength but act in opposite direction
7. an arrow showing where the direction of something is going
9. The speed of something in its given
10. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
14. strength or energy as an attribute of physical action or movement.
15. downward movement under the force of gravity only.
16. the resistance that one surface or object encounters when moving over another.
18. the sum of all the forces acting on an object