Motion Vocabulary

4. any process where the velocity changes
6. force that resists the sliding or rolling of one solid object over another
8. property of matter that causes it to resist changes in velocity (speed and/or direction)
9. the force by which a planet or other body draws objects toward its center
11. the measured or measurable period during which an action, process, or condition exists or continues
14. acceleration (gaining speed) happens when a force acts on a mass (object)
15. When the speed of an object remains the same - it does not increase or decrease
17. a measure of the amount of matter in an object
20. force applied in one direction is greater than the force applied in the opposite direction
22. The rate of change of position of an object in any direction
23. standing still; not moving
24. location of something relative to something else
25. the object receiving an acceleration due to the force of gravity acting on it

1. every action (force) in nature there is an equal and opposite reaction
2. an act, process, or instance of changing place
3. subtract from the current value of the velocity
5. every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.
7. with no resistance between a surface or substance and something that is moving along or through it
10. the extent or amount of space between two things, points, lines, etc
12. the change in position of an object
13. condition with reference to place; location; situation
16. When two forces are the same strength but act in opposite direction
18. quickness of motion
19. the force of attraction between all masses in the universe
21. The push or pull on an object with mass causes it to change its velocity