Take the Motion Quiz

1. Speed in a given direction is called _____________.

(a) momentum    (b) distance    (c) acceleration  (d) velocity

2.  A bug crawled 25.0 centimeters in 5.0 seconds. Therefore its average speed was __________.

(a) .20 cm/s    (b) 5.0cm/s   (c) 125.0 cm/s  (c) 30.0 cm/s

3. In 2.5 seconds a turtle was able to travel 10.0 cm. Its average speed was ___________.

(a) 4.0 cm/s    (b) .25 cm/s   (c) 25.0 cm/s  (c) 5.0 cm/s

4. A dog is accelerating when he__________________.

(a) stops to eat

(b) continues to run at a constant speed

(c) changes the direction he was running

(d) sits very still

5. To figure out an object's velocity you must know______________.

(a) the speed of the object

(b) the speed of the object and its velocity

(c) the speed of the object and its direction

(d) the speed of the object and its the distance it traveled

6. Whenever the velocity of an object changes we know that it________________.

(a) changed its direction

(b) accelerated

(c) sped up

(d) slowed down

7. The scientific meaning for acceleration is different from the everyday use of acceleration. The scientific meaning of acceleration means ________________ .

(a) to go faster

(b) to pick up speed or change direction

(c) to spin around at a constant speed

(d) to speed up, slow down or change direction

8. On a distance / Time line graph, The "x" axis should be labeled _______________.

(a) distance   (b) speed    (c) time  (d) velocity

9. The most common frame of reference is __________________

(a) the earth  (b) you   (c) the sun (d) another person

10. It is difficult to judge motion if your frame of reference is __________________.

(a) too still  (b) too big   (c) moving  (d) too bright

11. On a distance / Time line graph, The "y" axis should be labeled _______________.

(a) distance   (b) speed    (c) time  (d) velocity

12. On a distance/ Time line graph if the line is horizontal we know that the object's motion __________________.

(a) sped up   (b) is slowing down    (c) accelerated  (d) stopped

13. On a distance/ Time line graph if the line is a straight diagonal we know that the object's motion __________________.

(a) is constant   (b) is slowing down    (c) accelerated  (d) stopped

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