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AP Physics 1 Fall Semester Review Flashcards | StudBud
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AP Physics 1 Fall Semester Review
AP Physics 1 Fall Semester Review
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Units 1 through 3
Flashcards
50 cards
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Questions
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Answers
1
What is the object's velocity at t=5 seconds?
6 m/s
-6 m/s
60 m/s
0 m/s
2
What happens to the force of gravity between two objects if the distance between them is doubled?
It will be half as much
It will be twice as much
It will not change
It will be one-fourth as much
3
Any object moving in uniform circular motion will have an acceleration...
away from the center of the circle
towards the center of the circle
tangent to the circle
4
This word describes the natural tendency of an object to stay in motion at constant speed in straight line
Force
Velocity
Inertia
Equilibrium
5
If M
1
accelerates upwards, friction on M
2
is..
static and uphill
kinetic and uphill
kinetic and downhill
static and downhill
6
An object that is slowing down has a negative acceleration. Always true? Sometimes true? Never true?
sometimes true
always true
never true
7
If up is positive, an object in free fall has an acceleration of...
15 m/s2
0 m/s2
10 m/s2
-10 m/s2
8
Which way will the truck accelerate due to forces from the person in the picture?
Up
It will not accelerate
To the right
To the left
9
The area under the curve of an acceleration vs time graph is...
distance
acceleration
change in velocity
displacement
10
Suzie walks 10 m forward, and then 10 m back. What is her displacement?
0 m
20 m
10 m
-20 m
11
For the mass to be in static equilibrium...
the frictional force must be equal to gravitational force
the static friction force must be equal to half the weight
the friction must be kinetic
the coefficient of static friction must be exactly 0.5
12
A vector has...
neither magnitude nor direction
both magnitude and direction
magnitude only
direction only
13
What is the SI unit of length?
kilometer
kilogram
gram
meter
14
Which of Newton's Laws describes Action-Reaction force pairs?
Second Law
Third Law
First Law
15
How do we calculate average velocity?
distance/time
displacement/time
force/time
acceleration/time
16
Kinetic friction
always
acts in which direction?
Opposite to the motion of the object
In the direction of the net force
In the same direction as the motion of the object
Opposite to the net force on the object
17
Which of the following is not a vector quantity?
Velocity
Force
Speed
Acceleration
18
At which of the following times is the object at rest?
5 s
22 s
45 s
12 s
19
What is this object's displacement at t=30 seconds?
60 m
-40 m
120 m
0 m
20
How are force and acceleration related?
Acceleration is inversely proportional to force
Acceleration is directly proportional to force
They are not related at all
21
Spell "Physics"
Psychics
Physsiques
Fizsicks
Physics
22
Which has more inertia, a stationary bowling ball or a moving golf ball?
the bowling ball
the golf ball
23
What is the net force on this object?
Zero
2 N
14 N
5 N
24
When accelerating upward on an elevator, the normal force makes you feel...
heavier than normal
normal
lighter than normal
25
What is the horizontal acceleration of a projectile?
The same as the vertical acceleration
Constant but not zero
The same as its velocity
Zero
26
The skydiver in this picture is...
slowing down
at constant velocity
speeding up
27
A ball is thrown at 4 m/s at an angle of 30° with the horizontal. What is the vertical component of its velocity?
2 m/s
0 m/s
4 m/s
3 m/s
28
A cart is pulled with tension, T at an angle θ. Normal force from the ground...
is equal to T
Is greater than the cart's weight
is less the cart's weight
is equal to the cart's weight
29
You go around a curve at a constant speed. Which of the following is true?
Your velocity is not constant
You are not accelerating
Your speed is changing
You do not experience a net force
30
Suzie walks 10 m forward, and then 10 m back. What distance did she walk?
-10 m
10 m
20 m
0 m
31
The weight of an object is...
directly proportional to the square of the distance
inversely proportional to mass
directly proportional to mass
32
The magnitude of static friction...
is always the same as kinetic friction
is always equal to μs*FN
can be greater than μs*FN
can be less than μs*FN
33
How are mass and acceleration related?
They are not related at all
Acceleration is inversely proportional to mass
Acceleration is directly proportional to mass
34
What is the object's acceleration at t=25 s?
10m/s2
-30m/s2
-10m/s2
0m/s2
35
Roberto walks along a half circle. How can we calculate his displacement?
It's π times the radius of the circle
It's the radius of the circle
It's 2x the radius of the circle
It's 2π times the radius of the circle
36
What is the direction of the acceleration of an upward-moving projectile?
upward
downward
horizontal
37
True or False: Velocity is increasing as a projectile falls downward from its peak.
False
True
38
A 3 kg dog on Earth weighs 30 N. What is its mass on Mars, where gravity is about 1/3 of the earth's gravity?
1 kg
3 kg
10 kg
9 kg
39
What does the slope of a position vs time graph equal?
distance
displacement
acceleration
velocity
40
Describe the motion of this object
Accelerating upward
Accelerating to the right
Moving at constant velocity
At rest
41
A ball thrown horizontally hits the ground in 10 s. If it is thrown at twice the speed, it will hit the ground in
20 s
5 s
10 s
0.5 s
42
What is the object's velocity at t=25 s?
10 m/s
0 m/s
40 m/s
20 m/s
43
What does the slope of a velocity vs time graph equal?
displacement
acceleration
distance
velocity
44
What supplies the centripetal force on an object tied to a string and spun in a circle?
normal force
tension
gravity
friction
45
What is the SI unit of mass?
kilogram
gram
meter
kilometer
46
True or False: Velocity is decreasing as a projectile rises upwards towards its peak.
True
False
47
The slope of the tangent on a position vs time graph equals the...
average speed
constant velocity
instantaneous velocity
average velocity
48
The skydiver in this picture is...
at constant velocity
slowing down
speeding up
49
True or False: The initial horizontal velocity of a projectile is equal to the final horizontal velocity.
True
False
50
What is the vertical velocity of a projectile at the top of its path?
more than its horizontal velocity
0
the same as horizontal velocity
