PS CH 11 Vocabulary (3)
 1. A system of objects that are not moving with respect to one another.A) frame of referenceB) collectionC) solar system2. Movement in relation to a frame of reference.A) spontaneous motionB) relative motionC) habitual motion3. The length of a path between two points.A) distanceB) speedC) acceleration4. A quantity that has a direction associated with it.A) quantumB) vectorC) scalar5. The vector sum of two or more vectors.A) continuos vectorB) resultant vector6. The ratio of the distance an object moves to the amount of time the object moves.A) speedB) displacementC) acceleration7. The total distance traveled divided by the time it takes to travel that distance.A) virtual speedB) average speedC) instantaneous speed8. The rate at which an object is moving at a given moment in time.A) immediate speedB) spontaneous speedC) instantaneous speed9. The speed and direction in which an object is moving , measured relative to a reference point.A) velocityB) accelerationC) displacement10. the rate at which velocity changesA) instantaneous speedB) accelerationC) momentum11. The movement of an object toward earth solely because of gravity.A) free fallB) wind resistanceC) gravity motion12. A steady change in velocity.A) constant accelerationB) constant speedC) constant velocity13. A graph in which the displayed data form a straight line.A) circle graphB) nonlinear graphC) linear graph14. A graph in which the displayed data form a curved line.A) nonlinear graphB) linear graphC) bar graph
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