Pre-AP Physics Fall Semester Final Review
Key Terms
Be able to identify the following terms if given a multiple choice, matching, diagram/picture/graph situations. Be sure you
know these!
For the extra credit-make sure all of these terms are defined on your review sheet.
ACCELERATION DUE TO GRAVITY
LINEAR RELATIONSHIP
LONG-RANGE FORCE
METER
AVERAGE ACCELERATION
AVERAGE SPEED
NET FORCE
AVERAGE VELOCITY
NEWTON'S FIRST LAW
COMPONENT
NEWTON'S SECOND LAW
CONSTANT ACCELERATION
NEWTON'S THIRD LAW
CONTACT FORCE
INVERSE RELATIONSHIP
PARABOLA
DERIVED UNIT
PARALLELOGRAM
DISPLACEMENT
DISTANCE
PROJECTILE
EQUILIBRANT
EQUILIBRIUM
RESULTANT VECTOR
FORCE
SCALAR QUANTITY
FORCE OF GRAVITY
SECOND
FREE-BODY DIAGRAM
SYSTEM
KILOGRAM
TERMINAL VELOCITY
INERTIA
TRAJECTORY
INSTANTANEOUS ACCELERATION
UNIFORM MOTION
INSTANTANEOUS VELOCITY
VECTOR QUANTITY
INTERACTION PAIR
VECTOR RESOLUTION
1. Write 54300 in scientific notation 5.43 x 104
2. Write 0.00075 in scientific notation 7.5 x 10-4
3. Write 8.5x10-2 in regular notation 0.085
4. Write 75 x 104 in regular notation 750,000
5.) Convert 53.2 cm to m using dimensional analysis 0.532 m
6.) Convert 245 g to kg using dimensional analysis 0.245 kg
7.) Convert 54 km/hr to m/s using dimensional analysis 15 m/s
8.) Convert 12 m/s to km/hr using dimensional analysis 43.2 km/hr
Find the components for each of the following vectors. You must show your work!
A = 50 @ 25 above the +x axis
B = 60 @ 15 left of –y axis
C = 100 @ 45 above the -x axis
9.) Ax = 45.32
Ay = 21.13
10.) Bx = -57.95
By = -15.53
11.) Cx = -70.7
Cy = 70.7
Find R and  for each of the following: Show all work.
You must include a picture of your resultant triangle
12.) X component 112
Y component 15
R=113 @ 7.63 degrees above the x axis
x component 12
y component 32
R=34.18 @ 69.44degrees above the x axis
13.) Complete the table below using Figure 1.
time
0-3
3 - 11
11 – 14
position (m)
velocity (m/s)
7
6
5
4
3
2
1
0
-1
-2 0
-3
-4
-5
-6
-7
0 m/s
-1 m/s
3 m/s
14 - 16
16 – 19
19 –24
24 – 26
26 - 30
0 m/s
-4 m/s
0 m/s
1 m/s
0 m/s
Figure 1
10
20
30
time (s)
The following are multiple choice questions that I will pull from
1. Which of the following is the tendency of an object to maintain its state of motion?
a. acceleration
c. force
b. inertia
d. velocity
2. When a basketball player jumps to make a shot, once the feet are off the floor, the jumper’s acceleration
a. depends on the launch speed
c. is usually greater for taller players
b. varies with body orientation
d. is gravity; no more, no less
3. Acceleration is
a. displacement
b. the rate of change of displacement
c. velocity
d. the rate of change of velocity
4. The Law of Inertia states that an object
a. at rest will remain at rest unless acted on by an outside force
b. will continue moving at the same velocity unless an outside force acts on it
c. will continue moving in a straight line unless an outside force acts on it
d. that is not moving will never move unless a force acts on it
e. all of the above
5. How does acceleration of an object change in relation to its mass? It is…
a. directly proportional
c. acceleration does not depend on mass at all
b. inversely proportional
d. acceleration & mass will have the same effect
6. A ball tossed vertically upward rises, reaches its highest point, and then falls back to its starting point. During this
time, the acceleration of the ball is always
a. in the direction of the motion
c. directed upward
b. opposite its velocity
d. directed downward
7. A duck waddles 2.5 m east and 6.0 m north. What are the magnitude and direction of the duck’s displacement
with respect to its original position?
a. 3.5 m at 19° north of east
c. 6.5 m at 67° north of east
b. 6.3 m at 67° north of east
d. 6.5 m at 72° north of east
8. When you look at the speedometer in a moving car, you can see the car’s
a. instantaneous speed
c. instantaneous acceleration
b. average speed
d. average acceleration
9. The horizontal component of a projectile moving at constant velocity may be affected by
a. gravity
c. inertia
b. friction
d. forces
10. If a car speeds up from 20 m/s to 60 m/s in 2.5 seconds, what is the car’s acceleration?
a. 16 m/s2
c. 9.8 m/s2
2
b. 32 m/s
d. 2.5 m/s2
11. Which of the following forces is an example of a contact force?
a. gravitational force
c. electric force
b. magnetic force
d. frictional force
12. At the instant a ball is thrown horizontally with a large force, an identical ball is dropped from the same height.
Which ball hits the ground first?
a. the horizontally thrown ball
c. neither-they both hit the ground at the same time
b. the dropped ball
d. neither-they both can not hit at the same time
13. If you pull horizontally on a crate with a force of 150 N and the crate does not move, the friction force must be 150
N. If you pull on a different crate with 250 N so that the crate slides at constant velocity, the friction force is
a. more than 150 N but less than 250 N
c. more than 250 N
b. 250 N
d. cannot be determined
14. Which of the following is a value for the acceleration of objects in free fall?
a. 8.9 m/s2
c. 98 m /s2
2
b. 9.8 m/s
d. 980 m/s2
15. The magnitude of the force of gravity acting on an object is
a. frictional force
c. inertia
b. weight
d. mass
16. A ball thrown into the air at some angle between 10° and 90°. At the very top of the ball’s path its velocity is
a. entirely vertical
c. both vertical and horizontal
b. entirely horizontal
d. zero
17. Acceleration due to gravity is also called
a. negative velocity
b. displacement
c. free-fall acceleration
d. instantaneous velocity
18. An object moves horizontally at constant speed but is subject to a vertically downward acceleration. The path of
the object is
a. straight horizontal
c. curved or parabolic
b. straight vertical
d. straight diagonal
19. In the absence of air resistance, the angle at which a thrown ball will go the farthest is
a. 75 degrees
c. 45 degrees
b. 60 degrees
d. 30 degrees
20. What causes a moving object to change direction?
a. acceleration
c. inertia
b. velocity
d. force
21. For the winter, a duck flies 10.0 m/s south against a gust of wind with a velocity of 2.5 m/s. What is the resultant
velocity of the duck?
a. 12.5 m/s south
c. 7.5 m/s south
b. 25 m/s south
d. 4 m/s south
22. A change in the force of gravity acting on an object will affect the object’s
a. mass
c. weight
b. frictional force
d. inertia
23. What is the mass of a person that weighs 600 N?
a. 6000 kg
c. 60 kg
b. 600 kg
d. 6 kg
24. A string attached to an airborne kite was maintained at an angle of 40 degrees with the ground. If 120 m of string
was reeled in to return the kite back to the ground, what was the horizontal displacement of the kite while being
reeled in?
a. 110 m
c. 77 m
b. 84 m
d. 92 m
25. Suppose a small plane can fly at 200 km/hr relative to the surrounding air. Suppose also that there is a 40 km/hr
tailwind. How fast does the plane’s shadow move across the ground?
a. 240 km/hr
c. 160 km/hr
b. 200 km/hr
d. 40 km/hr
26. A coin released at rest from the top of a tower hits the ground after falling 1.5 seconds. What is the speed of the
coin as it hits the ground? (Disregard air resistance, g = 9.8 m/s2)
a. 15 m/s
c. 31 m/s
b. 21 m/s
d. 39 m/s
27. According to Newton’s second law, when the same force is applied to two objects of different masses,
a. the object with greater mass will experience a great acceleration and the object with less mass will
experience an even greater acceleration.
b. The object with greater mass will experience a smaller acceleration and the object with less mass will
experience a greater acceleration.
c. The object with greater mass will experience a greater acceleration and the object with less mass will
experience a smaller acceleration.
d. The object with greater mass will experience a small acceleration and the object with less mass will
experience an even smaller acceleration.
28. The most appropriate SI unit for measuring the length of an automobile is the
a. centimeter
c. meter
b. kilometer
d. millimeter
29. A measure of the quantity of matter is
a. density
b. weight
c. force
d. mass
30. At what point in its path does a projectile have its minimum speed?
a. when it is thrown
c. at the top
b. half-way to the top
d. as it nears the ground
31. The acceleration produced by a net force on an object is
a. directly proportional to the magnitude of the net force
b. in the same direction as the net force
c. inversely proportional to the mass of the object
d. all of the above
32. If you want to know the answers to this review, where could you look?
a. On my website-YES
b. at Walgreens-NO
c. Under my desk-NO
33. When something falls to the ground, it accelerates. This acceleration is called the acceleration due to gravity and
is symbolized by the letter g. What is the value of g on the earth’s surface?
a. 0 m/sec/sec
c. about 9.8 m/sec/sec
b. about 5 m/sec/sec
d. about 20 m/sec/sec
34. A toy car is given an initial velocity of 5.0 m/s and experiences a constant acceleration of 2.0 m/s 2. What is the
final velocity after 6.0 s?
a. 10.0 m/s
c. 16 m/s
b. 12 m/s
d. 17 m/s
35. A 10 N falling object encounters 4 N of air resistance. The magnitude of the net force on the object is
a. 0 N
c. 6 N
b. 4 N
d. 10 N
36. A hiker travels south along a straight path for 1.5 h with an average velocity of 0.75 km/hr, then travels south for
2.5 hours with an average velocity of 0.90 km/hr. What is the hiker’s displacement for the total trip?
a. 1.1 km to the south
c. 3.4 km to the south
b. 2.2 km to the south
d. 6.7 km to the south
37. If a net force is acting on an object, then the object is definitely
a. at rest
c. being accelerated
b. moving with a constant velocity
d. losing mass
38. The baseball catcher throws a ball vertically upward and catches it in the same spot as it returns to the mitt. At
what point in the ball’s path does it experience zero velocity and nonzero acceleration at the same time?
a. midway on the way up
b. at the top of its trajectory
c. the instant it leaves the catcher’s hand
39. Which of the following is the cause of an acceleration or a change in an object’s motion?
a. speed
c. force
b. inertia
d. velocity
40. Which of the following is an example of projectile motion?
a. a jet lifting off a runway
b. a bullet being fired from a gun
c. dropping an aluminum can into the recycling bin
d. a space shuttle orbiting earth
41. In the absence of air friction, the vertical component of a projectile’s velocity does not change as the projectile
moves. This statement is
a. always true
c. always false
b. sometimes true
d. does not matter
42. A canon with a barrel velocity of 100 m/s launches a cannonball horizontally from a tower. Neglecting air
resistance, where will the cannonball be 1 second later?
a. 50 m downrange
c. 100 m downrange
b. 98 m downrange
d. 490 m downrange
43. A jogger runs 10.0 blocks due east, 5.0 blocks due south, and another 2.0 blocks due east. Assume all blocks
are of equal size. What is the magnitude of the jogger’s displacement?
a. 14.0 blocks
c. 11.0 blocks
b. 8.0 blocks
d. 13.0 blocks
44. A ball is thrown straight upward at 20 m/s. Ideally (no air resistance), the ball will return to the thrower’s hand with
a speed of
a. 40 m/s
c. 10 m/s
b. 20 m/s
d. 0 m/s
45. A dolphin swims 1.85 km/hr. How far has the dolphin traveled after 0.6h?
a. 1.1 km
c. 0.63 km
b. 2.5 km
d. 3.7 km
46. Which of the following is a physical quantity that has a magnitude but no direction?
a. vector
c. resultant
b. scalar
d. frame of reference
47. The horizontal component of a projectile’s velocity is
a. independent of the vertical component of its velocity
b. independent of the range of the projectile
c. independent of both the vertical and horizontal
d. (there is not enough information to answer the question)
48. Speed is
a. a measure of how fast something is moving
b. the distance covered per unit of time
c. always measured in terms of a unit of distance divided by a unit of time
d. none of the above
e. all except d
49. Identify the following quantities as scalar or vector: the mass of an object, the number of leaves on a tree, wind
velocity
a. vector, scalar, scalar
c. scalar, vector, scalar
b. scalar, scalar, vector
d. vector, scalar, vector
50. Which of the following is the motion of objects moving in two dimensions under the influence of gravity?
a. horizontal velocity
c. parabola
b. directrix
d. projectile motion
51. Suppose you take a trip that covers 240 km and takes 4 hours to make. Your average speed is
a. 960 km/hr
d. 120 km/hr
b. 480 km/hr
e. 60 km/hr
c. 240 km/hr
52. What is the shape of the path of a projectile?
a. a wavy line
b. a parabola
c. a hyperbola
d. projectiles don’t follow a predictable path
53. Objects that are falling toward Earth move
a. faster and faster
b. slower and slower
c. at a constant velocity
d. slower then faster
54. Which of the following is an example of a vector quantity?
a. velocity
c. volume
b. temperature
d. mass
55. A skateboarder rolls 25.0 m down a hill that descends at an angle of 20.0degrees with the horizontal. Find the
horizontal and vertical components of the skateboarder’s displacement.
a. 8.55 m & 23.5 m
c. 23.5 m & 73.1 m
b. 23.5 m & 8.55 m
d. 73.1 m & 26.6 m
56. A girl pulls on a 10 kg wagon with a constant force of 30 N. What is the wagon’s acceleration?
a. 0.3 m/s2
c. 30 m/s2
2
b. 3.0 m/s
d. 300 m/s2
57. Which statement about the acceleration of an object is correct?
a. The acceleration of an object is directly proportional to the net external force acting on the object and
inversely proportional to the mass of the object
b. The acceleration of an object is directly proportional to the net external force acting on the object and
directly proportional to the mass on the object
c. The acceleration of an object is inversely proportional to the net external force acting on the object and
inversely proportional to the mass of the object.
d. The acceleration of an object is inversely proportional tot eh net external force acting on the object and
directly proportional to the mass of the object.
58. A marble accelerates from rest at a constant rate and travels for a total displacement of 44 m in 20.0 seconds.
What is the average velocity of the marble?
a. 1.1 m/s
c. 4.4 m/s
b. 2.2 m/s
d. 0.0 m/s
59. Kevin Carpenter throws a perfect spiral to Trey Cook at an angle of 45 degrees from the horizontal. It leaves his
hand with a velocity of 15m/s. What are the vertical and horizontal components of the football’s velocity?
a. 10.61 m/s & 10.61 m/s
c. 45 m/s & 15 m/s
b. 43.47 m/s & 43.47 m/s
d. 9.8 m/s & 0 m/s
60. In projectile motion, the horizontal component of a projectile’s velocity is independent of
a. the acceleration
b. the initial velocity
c. the angle of the trajectory
d. the vertical component of the velocity
61. An arrow is shot horizontally at a target 5 meters away with a velocity of 5 m/s. The target and bow are both 3
meters above the ground. Will the arrow fall short, hit the target head on, or go above and past the target and by
how much?
a. fall short by 2 m
c. fall short by 1.1 m
b. hit dead on
d. go past by 2 m
62. If I am traveling at a constant speed of 40 mi/hr in a circle, am I accelerating?
a. no
b. yes
c. maybe
63. What is how fast something is moving and in what direction?
a. Speed
c. Displacement
b. Velocity
d. Distance
64. What is the time rate of change of velocity?
a. Delta
c. Acceleration
b. Distance
d. Relative
65. What are the units for velocity?
a. m/s2
c. m
b. m/s
d. s
66. What are the units for acceleration?
a. m/s
c. m
b. m/s2
d. s
Be able to work problems like the following: Draw diagrams when necessary. Show all work, solve, and have the
correct units. Do on your own sheet of paper to practice
67. An egg falls out of a nest in a tree that is 7 meters high. How long is the egg in the air?
t=1.195 s
68. If you check my website, I will post all the answers to this review so that you can use it to study.
Ok!
69. What is the displacement of a ball rolling at constant velocity of 3.2 m/s after 6 seconds?
d=19.2 m
70. You leave your house and travel due south for 6 km, then turn due west for 12 km and return due east for 4 km.
What is the magnitude and direction of your displacement?
10 km SW of where you started
71. A racecar traveling at 125 km/h hits the brakes and slows to 85 km/h in 3.6 s. What is the racecar’s average
acceleration?
-3.09 m/s2
72. Calculate the force required to move a 45 kg box at 3.7 m/s2. What is the weight of the box?
Fapplied=166.5 N Fw=441N
73. A balloon supports a sign with a mass of 15 kg. What is the tension in the string holding the balloon to the sign?
147 N up
74. An astronaut drops a feather from 1.2 m above the surface of the moon. If the acceleration due to gravity on the
moon is 1.62 m/s2, how long does it take the feather to hit the moon’s surface?
t=1.22 s
75. An airplane travels at 360 km/h due north. If it encounters a 70 km/h headwind, (coming from the head), at what
speed does the shadow of the plane move across the ground? 290 km/hr
76. A child goes down a waterslide accelerating at 2.6 m/s2. How fast will the child be traveling when they land in the
pool below if they splash into the water after 4 seconds? Assume she started from rest.
10.4 m/s
77. A ball rolls down a curved track on a lab table, and leaves the table horizontally with a speed of 27m/s. If the
table is 1.2 m high, how far will the ball land from the edge of the table? (Range)
13.36 m Yes-that is very unrealistic 
78. Vectors have two parts. They are magnitude and direction.
79. A bus traveling at 30.0 km/h, speeds up at a constant rate of 3.5 m/s2, What velocity does it reach 6.8s later?
32.13 m/s
80. A car accelerates at a constant rate from 15 m/s to 25 m/s while it travels 125 m. How long does it take to achieve
this speed? 6.25 s
81. A bike rider accelerates constantly to a velocity of 7.5 m/s during 4.5 s. the bike’s displacement during the
acceleration was 19 m. What was the initial velocity of the bike?
82. A jet airplane goes from rest to a velocity of 85 m/s in a distance of 140 m. What is the airplane’s average
acceleration (m/s2)?
25.80 m/s2
83. An airplane starts from rest and accelerates at a constant 3.00 m/s 2 for 30.0 s before leaving the ground. How far
did it move? 1350 m
84. A stone falls freely from rest for 10 s. Calculate the stone’s velocity after 10s and the stone’s displacement during
this time? 98 m/s and 490 m
85. A helicopter is steadily descending at 7 m/s when a bag is dropped from the helicopter. After 5 s, what is the bags
velocity? How far has the bag fallen? How far below the helicopter is the bag?