physics vocabulary

2. How fast an object is moving regardless of its direction.
3. A measurement like temperature or speed that only has a magnitude and no direction.
6. The force that resists motion when two surfaces rub against each other.
7. fall The state of an object falling where the only force acting on it is gravity.
8. The invisible pull that keeps the planets in orbit around the sun.
9. A simple push or pull exerted on an object.
10. The amount of "stuff" or matter that makes up an object.
11. A quantity like velocity or force that includes both a size and a direction.
12. The change in momentum caused by a force acting over a specific amount of time.
13. The "mass in motion" that makes a heavy truck harder to stop than a small car.
14. force The sum of all the individual pushes and pulls acting on an object.

1. The straight-line distance and direction from where you started to where you ended.
4. What happens to your velocity when you speed up, slow down, or change direction.
5. The reason you keep sliding forward when a car brakes suddenly.
11. A description of both the speed and the specific direction of an object's motion.