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WorksheetsNewton's 3 Laws Final Review
Total questions: 183
Worksheet time: 5hrs 13mins
When an object resists change, like a body in a turning car, it is called ________________.
inertia
force
friction
drag force
An object at rest will stay at rest and an object in motion will stay in motion unless acted on by a force, is which one of Newton's Laws of Motion?
4th Law of Motion
1st Law of Motion
3rd Law of Motion
2nd Law of Motion
Which law is this picture illustrating?
Law 1
Law 2
Law 3
A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?
Law 1
Law 2
Law 3
A sports car speeds up much faster than a dump truck when a traffic light turns from red to green. Which law is this?
Law 1
Law 2
Law 3
When a truck stops suddenly, the packages on its truckbed continue to move forward. Which law is this?
Law 1
Law 2
Law 3
Which of the following answers is the most scientific answer for the question:
What is friction?
The random force between two solids, liquids, or gases.
The contact force between two solids, liquids, or gases that slide past one another.
The thing that creates static electricity
A force that is random
This car is turning, but there’s a puddle of water in the road. Which diagram best shows how the puddle will affect the path of the car after it hits the puddle?
Which of the following statements is false?
Friction can only slow things down
Friction is never useful
Friction can stop things from moving
What is acceleration?
transfer of energy to an object
going faster
a change in velocity (speed, direction, or both)
an object remaining in motion or at rest until something changes it
A child jumps on the trampoline with a force of 1000 N. What is the mass of the child in grams if they start from rest and reach a velocity of 1000 m/s in 2 seconds.
20 g
20,000 g
20 kg
2,000 g
If a woodchuck could chuck wood with a force of 10,000 N. Then would a woodchuck chuck wood at their mass of 10 kg? For this woodchuck to chuck wood what acceleration must they reach?
Woodchucks don't chuck wood, they don't have arms
10 m/s/s
9.8 m/s/s
1,000 m/s/s
A net force of 16 N causes a mass to accelerate from rest to 20 m/s in 2 seconds. What is the mass?
3.2 kg
2.3 kg
1.6 kg
16 kg
A 10-kg crate is being pushed across a floor with a force of sliding friction of 20 N. If the pushing force is also 20 N, what is the acceleration of the crate?
0 m/s2
2 m/s2
0.5 m/s2
40 m/s2
Which object will accelerate faster?
A- 1000 N, 25 kg
B- 1000 N, 50 kg
C - 1000 N, 10 kg
A
B
C
They accelerate the same
Jeremiah is pulling 2 ropes at the same force of 80 N each. Rope #1 is 10 kg and Rope #2 is 12 kg. Identify the force on Rope #2.
10 kg
80 N
12 kg
40 N
Jeremiah is pulling 2 ropes at the same force of 80 N each. Rope #1 is 10 kg and Rope #2 is 12 kg. Identify the mass of Rope #1.
80 N
12 kg
10 kg
22 kg
Find how much force the man will need to exert to move the car.
5000 N
50 N
20,000 N
500 N
Your car has a mass of 10,000 kg and a force of 5000 N. How fast will it accelerate?
20 m/s2
0.5 m/s2
2 m/s2
120 N
If a 4 Kg object is accelerating at 2 m/s/s what is the net force on the object?
F = ma
8 N
16 N
16 m/s/s
There is no net Force
What are the units for acceleration, net force, and mass (in order)?
m, Lbs, grams
m/s, N, kg
m/s/s, N, kg
m/s/s, N, grams
A person who has a mass of 60 kg on Earth will have a mass of ________ on the moon.
less than 60 kg
60 kg
more than 60 kg
less or more mass on the moon it just depends on whether she has fallen into a crater or is standing on top of a hill.
When Izzy and Zoe pull on the rope with the same amount of force, the forces are _____.
increased
unbalanced
balanced
decreased
Why doesn't the ping-pong ball just shoot up to the ceiling?
air pressure
force of gravity
force of air above it
trick ping-pong ball
Which of these involves balanced and unbalanced forces?
golf
pool (billiards)
hoverboarding
all of these
There are four types of friction. What are those four called?
sliding, rolling, static, and fluid
slipping, sliding, falling, and fluid
slipping, sliding, static, and flowing
Isaac Newton was a _____________________.
mathematician.
astronomer.
physicist.
All of these
Legend has it that when Newton saw an apple fall from a tree, he began to think about _____________________.
the planets.
the force that would later be called gravity.
the best way to make apple pie.
why apples are red.
Which is EXACTLY correct for Newton's 1st law?
An object at rest stays at rest, an object in motion stays in motion at the same speed and in the same direction until acted upon by an unbalanced force.
An object at rest stays at rest, an object in motion stays in motion at the same speed and in the same direction until acted upon by a balanced force.
An object at rest/rests, an object in motion/moves at the same direction and in the speed until acted upon by an unbalanced force.
all of the above
About how old was newton when he died?
58
27
85
100
Sir Isaac Newton was...
welcomed into college with open arms, won many awards, and made many discoveries at college.
was basically an errand boy for upper class students and received no awards during his college time.
so genius he taught his math and physics classes in college.
not ever enrolled in college.
Newton is credited with discovering _______ laws.
2
3
4
6
What is Newton's Third Law also known as?
The Law of Acceleration
The Law of Inertia
The Law of Action-Reaction
When an action force occurs, there is always a reaction force. Which of the following TWO terms describe the reaction force?
stronger
downward
opposite
weaker
equal
When force __________, acceleration _______________
increase, decrease
decrease, increase
increase, increase
decrease, decrease
During a rocket launch, as fuel is ignited, the exhaust pushes downward. Why is this arrangement necessary for a rocket to function properly?
The rocket is protected from the heat of the exhaust.
Burned fuel can be collected on the ground.
As fuel is combusted, the rocket pushes the gases backward and the gases push the rocket forward.
This allows the rocket to be steered properly.
A bowling ball hits the pins and the pins fall over. What is the ACTION force?
Bowling ball hitting pins
Pins falling over
Newton's Third Law says that forces must always occur in _____.
pairs
groups of 20 or more
individual circumstances
friction
Newton's law that states that an object in motion will remain in motion until force acts on it is
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Newton's 4th law
Which is also known as the law of inertia?
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Newton's 4th law
When Izzy and Zoe pull on the rope with the same amount of force, the forces are _____.
increased
unbalanced
balanced
decreased
Why did Izzy fall when playing tug of war?
he tripped
unbalanced forces
balanced forces
he was pushed
Why doesn't the ping-pong ball just shoot up to the ceiling?
air pressure
force of gravity
force of air above it
trick ping-pong ball
Which of these involves balanced and unbalanced forces?
golf
pool (billiards)
hoverboarding
all of these
True or False: objects that are smooth have LESS friction than objects that are rough
TRUE
FALSE
Which of these materials do you predict would have the MOST amount of friction?
metal
tile
sand paper
denim
Rough surfaces have _________
greater friction
less friction
the same level of friction
When we rub our hands together _________.
frictional force works between them
energy is released
our hands become warm
all off the above
A force that opposes motion between any surfaces that are in contact.
gravity
acceleration
friction
direction
This photo represents...
Air resistance
water resistance
friction force between 2 solid bodies
Dolphins have streamline shape to.............
increase water resistance.
Decrease water resistance.
No answer
Which boy A or B will slide down faster
A
B
A and B
_____________ friction acts on objects that are not moving.
sliding
rolling
static
fluid
There are four types of friction. What are those four called?
sliding, rolling, static, and fluid
slipping, sliding, falling, and fluid
slipping, sliding, static, and flowing
What type of friction will you see when an object that is still rests on top of another solid surface?
Sliding
Rolling
Static
Fluid
Isaac Newton was a _____________________.
mathematician.
astronomer.
physicist.
All of these
Legend has it that when Newton saw an apple fall from a tree, he began to think about _____________________.
the planets.
the force that would later be called gravity.
the best way to make apple pie.
why apples are red.
You are carrying a lunch tray when you bump into the edge of a table. Although the tray did not tip, your milk falls off of the front of the tray.
Newton's
1st
Law of Motion
Newton's
2nd
Law of Motion
Newton's
3rd
Law of Motion
A cat sitting on couch, a pencil on desk and a car at rest are all examples of ...
Balanced Force
Unbalanced Force
Which is EXACTLY correct for Newton's 1st law?
An object at rest stays at rest, an object in motion stays in motion at the same speed and in the same direction until acted upon by an unbalanced force.
An object at rest stays at rest, an object in motion stays in motion at the same speed and in the same direction until acted upon by a balanced force.
An object at rest/rests, an object in motion/moves at the same direction and in the speed until acted upon by an unbalanced force.
all of the above
About how old was newton when he died?
58
27
85
100
Newton is credited with discovering _______ laws.
2
3
4
6
Which of the following is not used to reduce friction
wheels
sandpaper
bumpy rocks
bacon grease
The weight of an object varies with the:
pull of gravity
dimensions of the object
volume of the object
A red 2008 Dodge Ram 1500 driving north bound on I-35 en route home from Kearney Junior High in Kearney Missouri on a warm Wednesday in March in the year 2019 is an example of what type of friction?
emotional
fluid
rolling
sliding
What can a force do?
push or a pull on an object
cause an object to accelerate
cause a resting object to move
all of the above
If an object is not moving, what type of force is being applied?
balanced
unbalanced
gravitational
electromagnetic
Newton's 2nd Law shows the mathematical relationship between....
speed, distance, time
force, mass and acceleration
acceleration, mass and speed
force, acceleration and speed
According to Newton's 2nd Law of motion, the acceleration of an object equals the net force acting on the object divided by the objects
mass
momentum
velocity
weight
An object with a mass of 3 kg accelerates at 2 m/s2. What amount of force was applied?
6 N
2 N
8 N
0.5 N
Newton's law that states that an object in motion will remain in motion until force acts on it is
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Newton's 4th law
F=ma is which of Newton's laws?
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Newton's 4th law
Which is also known as the law of inertia?
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Newton's 4th law
A heavier object is harder to accelerate than a lighter object because
it is closer to the center of the Earth
it weighs more at the top of a hill
it has less mass
it has more mass
When you swim in a pool
static friction occurs
sliding friction occurs
rolling friction occurs
fluid friction occurs
To increase acceleration of an object you
reduce its mass or increase the applied force
increase its mass or increase the applied force
reduce its mass or reduce the applied force
increase its mass and increase the applied force
When you rub your palms together
sliding friction occurs
fluid friction occurs
rolling friction occurs
static friction occurs
If the man pushes with an equal amount of force, which object will accelerate more?
Car because it has more mass
Lawnmower because it has less mass
Car because it has less mass
Lawnmower because it has more mass
What unit do we measure force in?
Kilometer/hr
Joules
Seconds
Newtons
What is force?
A push on an object
A pull on an object
A push or pull on an object
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
1500 Newtons
150 Newtons
150 kilograms
100 kilograms
If a 4 Kg object is accelerating at 4 m/s/s what is the net force on the object?
F = ma
8 N
16 N
16 m/s/s
There is no net Force
Your car has a mass of 10,000 kg and a force of 5000 N. How fast will it accelerate?
20 m/s2
0.5 m/s2
2 m/s2
120 N
A 10-kg crate is being pushed across a floor with a force of sliding friction of 20 N. If the pushing force is also 20 N, what is the acceleration of the crate?
0 m/s2
2 m/s2
0.5 m/s2
40 m/s2
A net force of 16 N causes a mass to accelerate from rest to 20 m/s in 2 seconds. What is the mass?
3.2 kg
2.3 kg
1.6 kg
16 kg
If a woodchuck could chuck wood with a force of 10,000 N. Then would a woodchuck chuck wood at their mass of 10 kg? For this woodchuck to chuck wood what acceleration must they reach?
Woodchucks don't chuck wood, they don't have arms
10 m/s/s
9.8 m/s/s
1,000 m/s/s
Where is potential energy at its minimum?
W
X
Y
Z
Determine whether the following example is Potential Energy (PE) or Kinetic Energy (KE):
a book sitting on a desk
PE
KE
Which number shows kinetic energy at its maximum?
three
two
four
five
What is Newton's Third Law also known as?
The Law of Acceleration
The Law of Inertia
The Law of Action-Reaction
When an action force occurs, there is always a reaction force. Which of the following TWO terms describe the reaction force?
stronger
downward
opposite
weaker
equal
A _______ is a push or a pull that acts on an object as a result of its interaction with another object.
action
acceleration
force
momentum
A sports car and a minivan run out of gas and are pushed to the side of the road. Which is easier to push, and why?
sports car, because it has more mass and therefore more inertia
the minivan because it has less mass and therefore less inertia
sports car because it has less mass and therefore less interia
minivan because it has more mass and therefore more inertia
When a small car pushes a big truck, the truck applies an equal and opposite force on the car.
False
True
When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?
The cannon moving forward
The cannon moving backwards
The cannonball moving backwards
The cannonball moving forward
How is this an example of Newton’s Third law?
Only the ball is using the head
They are both exerting an equal force on each other
Only the head is pushing the ball
A baseball bat hits a baseball with a force of 100 Newtons. What is the force and its direction exerted by the ball on the bat?
100 Newtons, same direction
100 Newtons, opposite direction
200 Newtons, opposite direction
200 Newtons, same direction
Which object has no acceleration?
A stapler on a table.
A car moving at a constant speed in one direction.
A satellite orbiting Earth.
A bike turning a corner.
When a person falls out of a tree, what kind of force is gravity?
A balanced force.
An unbalanced force.
An inertial force.
When force __________, acceleration _______________
increase, decrease
decrease, increase
increase, increase
decrease, decrease
What happens to the balloon if the air is released ?
Balloon goes right
Balloon goes up
Balloon goes down
Balloon goes left
What will happen if the Action is greater than the Reaction?
The man will fall
The boat will sink
Nothing will happen
This picture shows .............
Newton 2nd law of motion
Newton 3rd law of motion
Newton 1st law of motion
I don't know
When the person pushes the ground with their foot, the equal and opposite reaction force is
the ground pushing back on their foot
when they start to move forward
During a rocket launch, as fuel is ignited, the exhaust pushes downward. Why is this arrangement necessary for a rocket to function properly?
The rocket is protected from the heat of the exhaust.
Burned fuel can be collected on the ground.
As fuel is combusted, the rocket pushes the gases backward and the gases push the rocket forward.
This allows the rocket to be steered properly.
A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward?
The backward motion of the boat is the reaction to the action of the person stepping onto the dock.
The mass of the person exerts a force on every other mass.
An object at rest tends to stay at rest.
Friction opposes the motion of an object.
If a person pushes down on a trampoline, why do they move back up into the air?
The trampoline pushes back with a greater force than the person
The trampoline pushes back with less force than the person
The trampoline pushes back with an equal and opposite force as the person
Which law states that the acceleration of an object depends on the force exerted on it and its mass?
1st Law
2nd Law
3rd Law
Which law states that for every action there is an equal and opposite reaction?
1st Law
2nd Law
3rd Law
Which law states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on it?
1st Law
2nd Law
3rd Law
Which activity would BEST demonstrate the Law of Action/Reaction?
A car traveling down the road.
A rocket launching to space.
A soccer ball sitting on the ground.
A lady pushing a grocery cart.
A force that opposes motion between objects that are touching is called...
motion
friction
velocity
acceleration
When there is an INCREASE in MASS of an object you will have a DECREASE in ______________.
friction
acceleration
force
gravity
A jellyfish swims through the water by pulling in water and then pushing the water back out in the opposite direction. This is an example of which law of motion?
1st Law
2nd Law
3rd Law
A skater pushes another skater forward, but the one pushing moves backwards.
Newton's
1st
Law of Motion
Newton's
2nd
Law of Motion
Newton's
3rd
Law of Motion
When a baseball bat hits a baseball, how does the force of the baseball hitting the bat compare to the force of the bat hitting the baseball?
The bat hitting the ball is a greater force than the ball hitting the bat
The bat hitting the ball is a weaker force than the ball hitting the bat
The bat hitting the ball is equal to the force of the ball hitting the bat
The bat hitting the ball is the only force in this situation
If the person is pushing backwards with the paddle, why do they move forward?
The person will actually move backwards, they need to paddle the other way
The water pushes back with an equal and opposite force
The person is pushing harder than the water
The water pushes back with a greater force than the person
A bowling ball hits the pins and the pins fall over. What is the ACTION force?
Bowling ball hitting pins
Pins falling over
Newton's Third Law says that forces must always occur in _____.
pairs
groups of 20 or more
individual circumstances
friction
An evil ewok threw a rock with a force of 24.6N and an acceleration of 6m/s2 at an innocent stormtrooper. What was the rocks mass?
4Kg
41kg
4.1kg
46kg
Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?
20 m/s2
2 m/s2
0.5 m/s2
120 N
A 20 kg bike accelerates at 10 m/s2. What was the force?
25 Newtons
20 Newtons
200 Newtons
10 Newtons
What is Newton's 2nd Law?
F=ma
Every action has an equal and opposite reaction
An object at rest stays at rest, an object in motion stays in motion.
Friction
Which type of friction keeps objects from sliding around all over the place
Static Friction
Rolling Friction
Fluid Friction
Sliding Friction
Which of these materials do you predict would have the MOST amount of friction
Metal
Tile
Sand Paper
Denim
