1A Vocab

2. The sum of all forces acting on an object in a single plane.
3. The force that acts in the opposite direction to an object moving through the air.
5. Ability to do work, which is the ability to exert a force causing displacement of an object.
9. The energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
10. The slowing down of an object.
14. Measures the length between objects or points without regard for direction.
15. Forces that are not equal in magnitude and may or may not act in the same direction.
16. The force that resists motion when the surface of one object comes in contact with the surface of another.
17. The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
18. A measurement of mass in motion.
20. The rate of change of position of an object in any direction.

1. Energy which a body possesses by virtue of being in motion.
4. The change in position of an object with respect to its surroundings in a given interval of time.
6. When the forces acting on an object have equal strength and act in opposite directions.
7. The sudden, forceful coming together in direct contact of two bodies.
8. Quantity that designates how fast and in what direction a point is moving.
11. The tendency of objects in motion to stay in motion, and objects at rest to stay at rest, unless a force causes its speed or direction to change.
12. The rate of change of velocity per unit of time.
13. The push or pull on an object with mass causes it to change its velocity.
19. The measure of the amount of matter in a body.