A hand applies a force to A to accelerate the system right. The force of block A on block B is

Equal to the force of block B on block A

What type of objects does the first law of motion (law of inertia) govern?

Both objects in motion and at rest

How do you determine if a force is positive or negative?

Seeing if the force is in the same direction as acceleration

newtons second law states that...

acceleration is dependent on net force and mass

A basketball is resting on the ground. What is true about the forces acting on the basketball?

There are no NET forces acting on the ball

When the leaf reaches terminal velocity, which statement is true?

The weight and air resistance are equal.

When a hammer hits this nail, how do the forces compare?

The force on the nail and the hammer is equal.

How does the normal force compare to the weight of an object?

Normal force is equal to the weight, but the opposite way

Whiplash injuries occur when cars are hit from the rear. Pick a true statement below.

The seat moves the torso forward and the head stays still, Whiplash is best explained by Newton's 1st Law

What is true about inertia for a more massive person when compared to a less massive person?

The more massive person has more inertia

Which way does friction work?

Opposite direction as the object moves

What relationship is there between the COEFFICIENT of friction and the FORCE of friction Ff=μFn

Direct... if μ goes up by 4 then F goes up by 4

Which statement is true about Net Force and Acceleration?

Net Force and Acceleration are always in the same direction

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AP Physics 1: Newton's Laws and Forces Review

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AP Physics 1 Newton's laws review #APphys1 #physics1 #newton

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Questions 100

Answers

1
A hand applies a force to A to accelerate the system right. The force of block A on block B is
Equal to the force of block B on block A
Impossible to determine
Less than the force of block B on block A
Greater than the force of block B on block A
2
An open parachute helps save a falling sky diver by
increasing the terminal velocity.
decreasing the weight of the diver.
reducing air resistance
increasing the air resistance
3
What type of objects does the first law of motion (law of inertia) govern?
Objects in motion only
Only imaginary objects
Objects at rest only
Both objects in motion and at rest
4
How do you determine if a force is positive or negative?
By looking at the mass of the objects
By checking if gravity is stronger than FN
Seeing if the force is in the same direction as acceleration
Force will always be positive
5
Four skiers are moving at constant speed as shown. Which has the largest net force?
A & D
B
EQUAL
C
6
inertia is determined by...
mass
how stubborn the object is
weight
gravity
7
What does finding the area under the curve of a force vs time graph give you?
Displacement
Impulse
Time
Force
8
If a force of 12 N is applied to an object with a mass of 2 kg, the object will accelerate at
6 m/s2
24 m/s2
12 m/s2
0.17 m/s2
9
Four graphs of F vs acceleration are shown. Which object has the largest mass?
B
C
A
D
10
What is a force that opposes motion between two surfaces?
Gravity
THE FORCE!!!!
Friction
Acceleration
11
If an object is at rest, it will...
never move again
accelerate at a rate of 9.8 m/s2 if on earth
have a normal force of 0
stay at rest
12
When the applied force is less than friction, the box will__________.
accelerate
move back ways
remain at rest
decelerate
13
Which Law explains why a spaceship can stop burning fuel and still move at a constant velocity?
NONE
3
1
2
14
newtons second law states that...
an object that has any force act upon it has acceleration
every action has an equal and opposite reaction
acceleration is dependent on net force and mass
nothing is real and reality is just an illusion
15
The property of matter that resists changes in motion is called
weight
friction
gravity
inertia
16
For which case above will the magnitude of the friction force be greater?
CAN'T BE DETERMINED
A
B
Same
17
Which of Newton's Laws of motion is illustrated by action reaction pairs
3
2
NONE
1
18
Which law is called the Law of Inertia?
1
3
THE LAW OF YEETS
2
19
Which of Newton's Laws explains that forces come in equal pairs?
1st
2nd
4th
3rd
20
An orange might roll off your cafeteria tray when you stop suddenly because of
the orange’s inertia.
the balanced forces acting on the orange.
the friction forces acting on the orange.
the centripetal force acting on the orange.
21
In which of the following are action and reaction forces involved?
when walking down the hall
when a tennis racket strikes a tennis ball
when rowing a boat
all of the above
22
A basketball is resting on the ground. What is true about the forces acting on the basketball?
There are no forces acting on the ball
There is a NET force acting on the ball
There are no NET forces acting on the ball
There isn't enough information to find the answer
23
what type of force causes an object to move?
the force of acceleration
the force of my heart
any force
an unbalanced force
24
the unit of force is...
N
ĦễḸṗ
kg/m
m2/s2
25
When the leaf reaches terminal velocity, which statement is true?
The air resistance is more than the weight
The weight and air resistance are equal.
The weight of the leaf is more than the air resistance
26
On a level surface, what quantity is equal to the weight but in the opposite direction?
Force of Gravity
Normal Force
Frictional Force
Mass
27
When a hammer hits this nail, how do the forces compare?
There is only force on the nail!
The force on the nail and the hammer is equal.
The force on the hammer is more than on the nail.
The force on the nail is more than on the hammer.
28
Which of Newton's Laws of Motion, make it challenging to build stuff in space?
1st Law
3st Law
2st Law
NONE
29
What is the equation for the sum of forces?
∑F= MA
F=MA
A= FM
F=ML
30
How does the normal force compare to the weight of an object?
Weight is bigger than the normal force
Normal force is greater than the weight
Normal force is equal to the weight, but the opposite way
31
When an unbalanced force acts on an object,
the weight of the object decreases
the object’s motion does not change.
the inertia of the object increases.
the object’s accelerates
32
A ball of mass m is thrown directly upwards. The net force at max height is
0 N
mg, down
NONE
mg, upwards
33
A rope is shown below. Which point on the rope has the greatest tension?
A
EQUAL
C
B
34
A cart is placed on a frictionless inclined plane, what is the acceleration of the cart? Θ = 10
g
g *cos(10)
mg
g*sin(10)
35
If equal amount of force is exerted to pull the rope on both sides what will happen?
The rope will move to the right
The rope will move to the left
THEY FINNA GET YEEETED CUZ ACTION REACTION PAIRS
The rope won't move
36
Whiplash injuries occur when cars are hit from the rear. Pick a true statement below.
Whiplash is best explained by Newton's 2nd Law
The seat moves the torso forward and the head stays still
The person flies forward initially when the car goes forward
Whiplash is best explained by Newton's 1st Law
37
What is true about inertia for a more massive person when compared to a less massive person?
The more massive object has the same inertia as anyone else
The more massive person has more inertia
The more massive person has less inertia
38
Which way does friction work?
Opposite direction as the object moves
Same direction as the object moves
Perpendicular to direction of motion
39
What is the force that supports an object when it is resting on a surface?
Weight
Normal force
Friction
Buoyant force
40
The forces acting on a falling leaf are
weight and rolling friction.
air resistance and fluid friction
gravity and static friction.
gravity and air resistance.
41
What relationship is there between the COEFFICIENT of friction and the FORCE of friction F_f=μF_n
Direct... if μ goes up by 4 then F goes up by 4
They are not related
CAN'T BE DETERMINED
Inverse... if μ goes up by 4 then F goes down by 4
42
What force occurs when two surfaces rub against each other?
Weight
Buoyant Force
Normal Force
Friciton
43
Which graph shows an object in equilibrium?
C
A
Same
B
44
For the velocity-time graph shown, in which region is the magnitude of the net force largest?
0-2 s
12-16 s
2-10 s
10-12 s
45
how do you calculate the MAX FORCE OF FRICTION (F_f=μF_n) of a block on a ramp that is AT REST
Ff=μmgcosθ
Ff=μmgsinθ
cannot determine without the force of elasticity
Ff=gsinθ
46
Which statement is true about Net Force and Acceleration?
Net Force and Acceleration are always in opposite directions
FNet & Acceleration can be in the same or opposite direction
Net Force and Acceleration are always in the same direction
47
What is the acceleration due to gravity on earth
9.8N/s2
9.8m/s
2.7m/s2
9.8m/s2
48
What are two examples of forces?
Art or Music
LOVE AND LOVE
Push and Pull
Stand and Ground
49
How many laws of motion are outlined by Newton?
4
1
2
3
50
In which direction does the force of gravity act?
Right
Staight down
Left
Up
51
In the equation F = ma, what does m represent?
meters
mass
momentum
motion
52
On an airplane, if Thrust is bigger than Drag and Weight is smaller than Lift, what happens?
A plane speeds up and points at an angle below the horizon
A plane speeds up and climbs higher
A plane slows down and points at an angle below the horizon
A plane slows down and climbs higher
53
A person on standing feels 2 forces: downward of gravity and an upward force. These forces?
Have unequal magnitudes and do not form action/reaction pair
Have equal magnitudes but do not form action/reaction pair
Have equal magnitudes and form action/reaction pair
Have unequal magnitudes and form action/reaction pairs
54
What does F_G?
Force of Gravity
Force of friction
Force Normal
Force of Grass
55
When mass increases and force stays the same, what happens to acceleration?
Acceleration stays the same
Acceleration decrease
Acceleration increases
56
what is interita?
m*v
how much force an object has
false
how resistant an object is to motion
57
What is F_N?
Force of gravity
Force of Acceleration
Force in Newtons
Force Normal
58
Two cars crash head on as pictured. The car 1 is more massive than car 2. What is true?
The red car experiences more acceleration
Both experience the same acceleration
The grey car experiences more acceleration
59
The acceleration of an object equals the net force acting on the object divided by the object’s
velocity
weight
momentum
mass
60
What is the formula for the force of gravity?
Fg= ma
Fg= Shishir Velmas
Fg= PV
Fg= mg
61
Which law best explains why the force on the nail and hammer are equal?
2
3
NONE
1
62
When a pair of balanced forces acts on an object, the net force that results is
equal in size to one of the forces.
greater in size than both forces combined.
equal to zero.
greater in size than one of the forces
63
When a leaf falling reaches terminal velocity, what happens?
It speeds up
It will shred apart
It speeds up
It goes at the fastest speed possible and stay at that speed
64
F =
a*m
m*v
a*t
???
65
What is the difference between mass and weight?
Nothing, they are the same
Mass is how much matter and weight is the gravitational pull
They differ based on the planet
Mass sounds cooler than weight
66
What is the fastest speed that an object falls (when air resistance is a factor)?
Ludicrous Speed
Terminal Velocity
Terminus
Vertical Velocity
67
You pull a trailer with your car. It does not accelerate as well. Which law best explains this?
2
1
NONE
3
68
F_Nalways points in which direction?
Right
Up
Down
Left
69
What is equal to the amount of matter in an object?
Frictional Force
Normal Force
Mass
Weight
70
What is true about your mass and weight on the moon and earth?
Weight is less on the moon, but mass stays the same
Mass is less on the moon, but weight stays the same
Mass and weight are both the same here on earth and the moon
Mass and weight are both less on the moon
71
the third law states that...
F = a*m
those blasted kids need to stay off my lawn
every object with mass has gravity
every action has an equal and opposite reaction
72
When the applied force is larger than friction,a box will ________________.
decelerate
move at a constant rate
the box won't move
accelerate
73
When the velocity and acceleration are in the opposite direction on an elevator, what happens?
The object is speeding up
The object is traveling at a constant velocity
The object is slowing down
74
A 10 kg box rests on a table. What is the normal force on the book? (Use 9.8m/s)
98N
-98N
10N
50N
75
The box below is decelerating while moving to the right. Which horizontal force is bigger?
FN
Neither. FF=Fapp
Fapp
FF
76
Which of the following relationships is correct?
1 N = 1 kg
1 N = 1 kg·m/s2
1 N = 1 kg·m/s
1 N = 1 kg·m
77
What force is in the opposite direction of an object falling?
Weight
Normal Force
Air Resistance
Frictional Force
78
Two cars hit head on as pictured.If car 1 is more massive, than car 2 what is true?
Car 2 experiences more force.
They both experience the same force
Car 1 experiences more force
79
An astronaut travels to the moon, how does her mass on the moon compare to her mass on earth?
her mass is less on the moon
her mass is more on the moon
her mass is the same on the moon.
80
When the velocity and acceleration are in the same direction on an elevator, what happens?
The object is speeding up
The object is slowing down
The object is traveling at a constant velocity
81
Do you feel heavier on an elevator going up, or an elevator going down?
up
down
82
What does the AREA of a Vel vs Time graph give you
nothing
time
force
distance
83
If the net force applied to an object increases, what happens to the acceleration?
CAN'T BE DETERMIED
Decreases
Stays the Same
Increases
84
According to Newton's 3rd Law, the force of the horse on the cart is equal and opposite the
force to the cart on horse
force of the horse on the ground
force to the cart on horse
none of the above
85
What is the name of a diagram which you create to represent the forces acting on an object?
Drawings
Polar Graphs
Pictograms
Free Body Diagrams
86
What is the direction of friction on a slope?
Up the slope
Perpendicular to the slope
Straight down the slope
down the slope
87
If a person drops a feather and a hammer on earth, which one hits the ground first?
Neither. They both hit the ground at the same time.
They float, because we live in a magical world!
The feather
The hammer
88
the first law is...
the law of force
the law of motion
the law of objects
the law of intertia
89
Is force a vector or a scalar?
Scalar
Vector
90
An astronaut drops a hammer and feather simultaneously on the moon, which will hit first?
The feather will hit the ground first.
Neither. They will both hit the ground at the same time.
Both will float, since there is no gravity on the moon.
The hammer will hit the ground first
91
When a fighter punches another fighter, which experiences a greater force?
The fist of the guy hitting
Both the face and fist experience the same force
The face of the guy hit
92
How many FORCES act on a BALL you swing in a VERTICAL CIRCLE that is attached to a STRING
2 (Gravity down and Tension toward the center)
0
3 (Gravity Tension and Friction... all pointing down)
1 (only Gravity down)
93
When the applied force is equal to friction, the box will ________________
decelerate
BECOME YEETED
accelerate
remain at rest
94
What are the units for mass?
N
Cm
Mm
Kg
95
Why is it easier to pull a heavy object rather than push?
less gravity
less mass
less matter
less friction
96
A potato sits on a table. What is the N3L companion force to the weight of the potato
The force of the potato on the table
the force of the earth on the potato
the force of the potato on the earth
the force of the table on the potato
97
Which law explains why the space shuttle can push fuel down and move upward?
2
1
3
THE LAW OF YEETS
98
As an astronaut travels far away from Earth, her weight
decreases because her mass decreases.
remains the same because her mass remains the same.
decreases because gravity decreases
increases because gravity increases.
99
What does the SLOPE of a Vel vs Time graph give you
distance traveled
Acceleration from a Force
cannot determine
Acceleration from a net force of zero
100
As you push a box across a floor at a constant velocity, the friction acting on the box
equals the weight of the box
is less that the pushing force
acts in the direction of motion.
acts in the direction opposite of motion.

AP Physics 1: Newton's Laws and Forces Review Flashcards | StudBud