Physics

2. Quantity, like distance, that has only a magnitude, or size.
6. The separation between two points.
7. Quantity having both magnitude and direction.
9. Force Forces that give materials their strength.
14. first law An object with no force acting on it moves with constant velocity.
16. Variable Responding variable.
17. third law When one object exerts a force on a second object, the second exerts a force on the first that is equal in magnitude but opposite in direction.

1. Change in position.
3. Change in velocity divided by time interval over which it occurred.
4. Acceleration Acceleration measured over a finite time interval.
5. Friction Force that opposes the start of motion.
8. Ratio of change in position to time interval over which change takes place.
10. of Friction A constant that depends on the surfaces in contact.
11. Variable The manipulated variable.
12. velocity Velocity measured over a finite time interval.
13. The force that opposes the motion between two surfaces that are in contact.
15. Gravitational force exerted by a large body, usually Earth.
18. The magnitude of the velocity.