PS CH 11 Vocabulary (3)

- 1. A system of objects that are not moving with respect to one another.
A) frame of reference B) collection C) solar system - 2. Movement in relation to a frame of reference.
A) spontaneous motion B) relative motion C) habitual motion - 3. The length of a path between two points.
A) distance B) speed C) acceleration - 4. A quantity that has a direction associated with it.
A) quantum B) vector C) scalar - 5. The vector sum of two or more vectors.
A) continuos vector B) resultant vector - 6. The ratio of the distance an object moves to the amount of time the object moves.
A) speed B) displacement C) acceleration - 7. The total distance traveled divided by the time it takes to travel that distance.
A) virtual speed B) average speed C) instantaneous speed - 8. The rate at which an object is moving at a given moment in time.
A) immediate speed B) spontaneous speed C) instantaneous speed - 9. The speed and direction in which an object is moving , measured relative to a reference point.
A) velocity B) acceleration C) displacement - 10. the rate at which velocity changes
A) instantaneous speed B) acceleration C) momentum - 11. The movement of an object toward earth solely because of gravity.
A) free fall B) wind resistance C) gravity motion - 12. A steady change in velocity.
A) constant acceleration B) constant speed C) constant velocity - 13. A graph in which the displayed data form a straight line.
A) circle graph B) nonlinear graph C) linear graph - 14. A graph in which the displayed data form a curved line.
A) nonlinear graph B) linear graph C) bar graph |

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