Version A
PracTest - Introduction to Motion
1. As time progresses, the amount of data (facts and observations) we have about the universe _?_ and the number
of fundamental principles required to explain the data _?_.
A. increases; also increases
C. decreases; increases
B. increases; decreases
D. decreases; also decreases
2. Which of the Venn diagrams below best depicts the relationship between Biology, Chemistry, and Physics
A.
C.
E.
B.
D.
F.
3. Which of the following is NOT an SI base unit?
A. ampere
C. kelvin
B. second
D. meter
E.
F.
kilogram
watt
4. The abbreviation for the SI prefix used to denote 10-6 is
A. m
C. n
B. p
D. f
E.
F.
µ
a
5. The quantity 13GW can be written
A. 13 x 106 W
B. 13 x 109 W
C.
13 x 101 2W
D. 13 x 101 5W
6. The value 648 x 102 7 is expressed correctly in
A. scientific notation only
B. engineering notation only
C. both scientific and engineering notation
D. neither scientific nor engineering notation
7. A particular inkjet printer is advertised as being capable of spraying ink in droplets having a volume of
4 picoliters. How much of a liter does that represent?
A. 0.4
D. 0.000 000 004
B. 0.004
E. 0.000 000 000 004
C. 0.000 004
F. 0.000 000 000 000 004
8. The height of our classroom (in meters) has an order of magnitude 10n where n is
A. -4
B. -2
C. 0
D. 2
E. 4
A 1
9. What is 53,192.67438 written in three significant figures?
A. 50,000
B. 53,200
C. 53,193
D. 53,192.7
E.
53,192.674
10. Which value has a greater number of significant figures: 120 m or 0.0007 m?
A. 120 m
B. 0.0007 m
C. same for both
Consider the conventional graph of position vs. time shown.
11. Position is negative and velocity is positive at which point?
A. A
C. C
E. E
B. B
D. D
F. F
12. At point E,
A. position is positive and velocity is positive
B. position is positive and velocity is zero
C. position is positive and velocity is negative
D. position is zero and velocity is positive
E. position is zero and velocity is negative
F. position is negative and velocity is positive
G. position is negative and velocity is zero
H. position is negative and velocity is negative
Consider the conventional graph of velocity vs. time shown.
13. At 3 s, the object is
A. traveling in the positive direction
B. traveling in the negative direction
C. traveling in either the positive or negative direction
D. at rest
A 2
G. G
H. H
The following question(s) refer to the position vs. time graph shown below.
14. From A to B, the particle is
A. undergoing an increase in speed
B. undergoing a decrease in speed
C.
D.
maintaining constant speed
at rest
15. From B to C, the particle is
A. undergoing an increase in speed
B. undergoing a decrease in speed
C.
D.
maintaining constant speed
at rest
16. From C to D, the particle is
A. undergoing an increase in speed
B. undergoing a decrease in speed
C.
D.
maintaining constant speed
at rest
17. From D to E, the particle is
A. undergoing an increase in speed
B. undergoing a decrease in speed
C.
D.
maintaining constant speed
at rest
18. From E to F, the particle is
A. undergoing an increase in speed
B. undergoing a decrease in speed
C.
D.
maintaining constant speed
at rest
19. Which of the following involve a change in velocity?
A. A change in speed
B. A change in direction of motion
C. Both of these
D. None of these
20. A ball is thrown straight up. At the highest point in its flight, the speed of the ball is most nearly
A. 0 m/s
B. 1 m/s
C. 10 m/s
D. 100 m/s
E. 1000 m/s
21. A ball is thrown straight up. At the highest point in its flight, the magnitude of acceleration of the ball is most
nearly
A. 0 m/s2
C. 10 m/s2
E. 1000 m/s2
2
2
B. 1 m/s
D. 100 m/s
A 3
22. The motion of a car is monitored by a motion sensor. If the car is moving toward the sensor and slowing down,
identify the corresponding position vs. time graph.
A.
B.
C.
D.
Walking with constant velocity, Susan passes point A (marked ”12 meters‘) at 4:37:24 (time expressed in
hours:minutes:seconds). She then passes point B (marked ”36 meters‘) at 4:37:36. At point C, she meets Alex. The
two proceed to plot brownie point strategy.
23. What was Susan’s speed between point A and point B?
A. 0.5 m/s
B. 1 m/s
C. 2 m/s
D. 3 m/s
E.
4 m/s
24. How far does an object travel if its speed is 8 m/s and it travels for 2 s?
A. 0.25 m
C. 2 m
E. 16 m
B. 0.5 m
D. 4 m
F. 32 m
25. A pitcher takes 0.1 s to accelerate a baseball from rest to 30 m/s. The ball's acceleration is
A. 3 m/s2
B. 30 m/s2
C. 300 m/s2
D. 3000 m/s2
26. A car starts from a speed of 10 m/s with an acceleration of 2 m/s2 . The time needed for the car to reach 20 m/s is
A. 5 s
B. 10 s
C. 15 s
D. 20 s
E. 30 s
A 4
ID: A
PracTest - Introduction to Motion
Answer Section
MULTIPLE CHOICE
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B
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A
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Scheme
NOT: UT1-03 PracTest
Scheme
NOT: UT1-03 PracTest
Units
NOT: UT1-03 PracTest
Sci Not
NOT: UT1-03 PracTest
Sci Not Pre
NOT: UT1-03 PracTest
Sci Not Eng NOT: UT1-03 PracTest
Sci Not Pre
NOT: UT1-03 PracTest
Order Mag
NOT: UT2b-03 PracTest
Sig Figs
NOT: UT2a-03 PracTest
Sig Figs
NOT: UT1-03 PracTest
Interpret Position Graph
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Interpret Velocity Graph
Graph Segments
Graph Segments
Graph Segments
Graph Segments
Graph Segments
Definitions NOT: PracTest
Questions
NOT: UT3-03 PracTest
Questions
NOT: UT3-03 PracTest
Motion Sensor
Susan and Alex
NOT: PracTest
Calculations
Calculations
NOT: TCJ
Calculations
NOT: TCJ
A 1