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Physics Exam
Q1 Exam, Part A Samples
Name ____________________
Per __ Date _______________
1. An object starts from rest and accelerates uniformly down
an incline. If the object reaches a speed of 40 meters per
second in 5 seconds, its average speed is
(A) 8 m/sec
(C) 20 m/sec
(B) 10 m/sec
(D) 30 m/sec
6. A ball dropped from rest falls freely until it hits the ground
with a speed of 20 meters per second. The time during
which the ball is in free fall is approximately
(A) 1 s
(C) 0.5 s
(B) 2 s
(D) 10 s
2. The average velocity of an object during 6.0 seconds is 2
meters per second. What is the total distance traveled by
the object?
(A) 1/3 m
(C) 3 m
(B) 12 m
(D) 4 m
7. A truck with an initial speed of 12 meters per second
accelerates uniformly at 2.0 meters per second2 for 3.0
seconds. What is the total distance traveled by the truck
during this 3.0-second interval?
(A) 9.0 m
(C) 36 m
(B) 25 m
(D) 45 m
3. A car having an initial velocity of 12 meters per second east
slows uniformly to 2 meters per second east in 4.0
seconds. The acceleration of the car during this 4.0-second
interval is
(A) 2.5 m/s2 west
(B) 2.5 m/s2 east
(C) 6.0 m/s2 west
(D) 6.0 m/s2 east
4. An object originally moving at a speed of 20. meters per
second accelerates uniformly for 5.0 seconds to a final
speed of 50. meters per second. What is the acceleration of
the object?
(A) 14 m/s2
(B) 10. m/s2
(C) 6.0 m/s2
(D) 4.0 m/s2
5. A car, starting from rest, accelerates at 4.0 m/s2. What is its
velocity at the end of 8.0 seconds?
(A) 0.50 m/s
(C) 16 m/s
(B) 2.0 m/s
(D) 32 m/s
Q1S_PartA
8. A skier starting from rest skis straight down a slope 50.
meters long in 5.0 seconds. What is the magnitude of the
acceleration of the skier?
(A) 20. m/s2
(B) 9.8 m/s2
(C) 5.0 m/s2
(D) 4.0 m/s2
9. An object with an initial speed of 4.0 meters per second
accelerates uniformly at 2.0 meters per second2 in the
direction of its motion for a distance of 5.0 meters. What is
the final speed of the object?
(A) 6.0 m/s
(C) 14 m/s
(B) 10. m/s
(D) 36 m/s
10. An object starts from rest and falls freely. What is the
velocity of the object at the end of 3.00 seconds?
(A) 9.81 m/s
(C) 29.4 m/s
(B) 19.6 m/s
(D) 88.2 m/s
Page 1
11. A force vector was resolved into two perpendicular
components, F1 and F2, as shown in the diagram below.
13. A 5.0-newton force could have perpendicular components
of
(A) 1.0 N and 4.0 N
(C) 3.0 N and 4.0 N
(B) 2.0 N and 3.0 N
(D) 5.0 N and 5.0 N
14. If an unbalanced force of 10. Newtons is applied to a 4.0kilogram mass, the acceleration of the mass will be
(A) 0.40 m/s2
(B) 2.5 m/s2
(C) 14 m/s2
(D) 40. m/s2
Which vector best represents the original force?
(A)
15. A person is standing on a bathroom scale in an elevator
car. If the scale reads a value greater than the weight of the
person at rest, the elevator car could be moving
(A) downward at constant speed
(B) upward at constant speed
(C) downward at increasing speed
(D) upward at increasing speed
16. The acceleration due to gravity on the surface of planet X is
19.6 meters per second2. If an object on the surface of this
planet weighs 980. newtons, the mass of the object is
(A) 50.0 kg
(C) 490. N
(B) 100. kg
(D) 908 N
(B)
17. A 70.-kilogram astronaut has a weight of 560 Newtons on
the surface of planet Alpha. What is the acceleration due
to gravity on planet Alpha?
(A) 0.0 m/s2
(B) 8.0 m/s2
(C) 9.8 m/s2
(D) 80. m/s2
(C)
18. The graph below represents the relationship between the
forces applied to an object and the corresponding
accelerations produced.
(D)
12. What is the magnitude of the vector sum of
the two concurrent forces represented in
the diagram to the right?
(A) 2.5 Newtons
(B) 3.5 Newtons
Q1S_PartA
(C) 3.0 Newtons
(D) 4.0 Newtons
What is the inertial mass of the object?
(A) 1.0 kg
(C) 0.50 kg
(B) 2.0 kg
(D) 1.5 kg
Page 2
19. Which combination of fundamental unit can be used to
express the weight of an object?
(A) kilogram/second
(C) kilogram•meter/second
(B) kilogram•meter
(D) kilogram•meter/second2
20. Which two quantities are measured in the same units?
(A) velocity and acceleration (C) mass and weight
(B) weight and force
(D) force and momentum
28. An object has a constant acceleration of 2.0 meters per
second2. The time required for the object to accelerate
from 8.0 meters per second to 28 meters per second is
(A) 20. s
(C) 10. s
(B) 16. s
(D) 4.0 s
29. Base your answer to the following question on the diagram
below which shows a 1-kilogram mass and a 2-kilogram
mass being dropped from a building 100 meters high.
21. Which measurement of an average classroom door is
closest to 1 meter?
(A) thickness
(C) height
(B) width
(D) surface area
22. The thickness of one page of this test booklet is closest to
(A) 10–4 m
(B) 10–2 m
(C) 100 m
(D) 102 m
23. Which object weighs approximately 1 Newton?
(A) dime
(C) physics student
(B) paper clip
(D) golf ball
24. How long will it take an object to move 100 meters if the
object is traveling with an average speed of 0.5 meter per
second?
(A) 200 s
(C) 5 s
(B) 2 s
(D) 50 s
25. A group of bike riders took a 4.0-hour trip. During the first
3.0 hours, they traveled a total of 50. kilometers, but
during the last hour they traveled only 10. kilometers.
What was the group’s average speed for the entire trip?
(A) 15 km/hr
(C) 40. km/hr
(B) 30. km/hr
(D) 60. km/hr
26. What is the distance traveled by an object that moves with
an average speed of 6.0 meters per second for 8.0 seconds?
(A) 0.75 m
(C) 14 m
(B) 1.3 m
(D) 48 m
27. The speed of a car is increased uniformly from 20. meters
per second to 30. meters per second in 4.0 seconds. The
magnitude of the car’s average acceleration in this 4.0second interval is
(A) 0.40 m/s2
(B) 2.5 m/s2
(C) 10. m/s2
(D) 13 m/s2
Q1S_PartA
Halfway down, the acceleration is
(A) greater for the 1-kilogram mass
(B) greater for the 2-kilogram mass
(C) the same for both masses
30. After a model rocket reached its maximum height, it then
took 5.0 seconds to return to the launch site. What is the
approximate maximum height reached by the rocket?
[Neglect air resistance.]
(A) 49 m
(C) 120 m
(B) 98 m
(D) 250 m
31. In an experiment that measures how fast a student reacts,
a meter stick dropped from rest falls 0.20 meter before the
student catches it. The reaction time of the student is
approximately
(A) 0.10 s
(C) 0.30 s
(B) 0.20 s
(D) 0.40 s
32. An object falls freely from rest near the surface of Earth.
What is the speed of the object after having fallen a
distance at 4.90 meters?
(A) 4.90 m/s
(C) 24.0 m/s
(B) 9.80 m/s
(D) 96.1 m/s
Page 3
33. Which two graphs represent the motion of an object on
which the net force is zero?
(A)
(B)
35. A 2.0-kilogram mass weighs 10. Newtons on planet X. The
acceleration due to gravity on planet X is approximately
(A) 0.20 m/s2
(B) 5.0 m/s2
(C) 9.8 m/s2
(D) 20. m/s2
36. The graph below shows the relationship between weight
and mass for a series of objects on the Moon.
(C)
(D)
34. A net force of 25 Newtons is applied horizontally to a 10.kilogram block resting on a table. What is the magnitude of
the acceleration of the block?
(A) 0.0 m/s2
(B) 0.26 m/s2
(C) 0.40 m/s2
(D) 2.5 m/s2
Q1S_PartA
The acceleration due to gravity on the Moon is
approximately
(A) 0.63 m/s2
(B) 1.6 m/s2
(C) 9.8 m/s2
(D) 32 m/s2
Page 4
37. The displacement-time graph below represents the motion of a cart initially moving forward along a straight line.
During which interval is the cart moving forward at constant speed?
(A) AB
(B) BC
(C) CD
38. Which pair of graphs represent the same motion?
(A)
(D) DE
39. The graph below shows the velocity of a race car moving
along a straight line as a function of time.
(B)
(C)
(D)
What is the magnitude of the displacement of the car from
t = 2.0 seconds to t = 4.0 seconds?
(A) 20. m
(C) 60. m
(B) 40. m
(D) 80. m
Q1S_PartA
Page 5
40. The diagram below represents the relationship between
velocity and time of travel for four cars, A, B, C, and D, in
straight-line motion.
Which car has the greatest acceleration during the time
interval 10. seconds to 15 seconds?
(A) A
(C) C
(B) B
(D) D
41. Base your answer to the following question on the graph
below which represents the relationship between velocity
and time for a 2.0-kilogram cart that is initially at rest and
starts moving northward.
In which direction is the cart traveling at t = 4 seconds?
(A) north
(C) south
(B) east
(D) west
Q1S_PartA
Page 6
42. Base your answer to the following question on the information and diagram below.
A child is flying a kite, K. A student at point B, located 100. meters away from point A (directly underneath the kite), measures the
angle of elevation of the kite from the ground as 30.°.
height = 50m
d = 1/2 a t^2
t = 3.4 s
A small lead sphere is dropped from the kite. Calculate the amount of time required for the sphere to fall to the ground. [Show all
calculations, including the equation and substitution with units. Neglect air resistance.]
Q1S_PartA
Page 7
43. Base your answer to the following question on the data table below, which describes the motion of an object moving in a straight line.
Based on your line of best-fit, what is the acceleration of the object?
Q1S_PartA
acceleration = slope = 1.2 m/s/s
Page 8
Answer Key
1.
C
30.
C
2.
B
31.
B
3.
A
32.
B
4.
C
33.
B
5.
D
34.
D
6.
B
35.
B
7.
D
36.
B
8.
D
37.
B
9.
A
38.
A
10.
C
39.
C
11.
D
40.
D
12.
A
41.
A
13.
C
42.
14.
B
15.
D
16.
A
17.
B
18.
C
19.
D
20.
B
21.
B
22.
A
23.
D
24.
A
25.
A
26.
D
27.
B
28.
C
29.
C
Q1S_PartA
43. Credit for indicating that the
acceleration of the object is 1.2
m/s2 or an answer that is
consistent with the student's
graph