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WorksheetsNewton's 3 Laws & Forces
Total questions: 77
Worksheet time: 8hrs 11mins
When a cannon fires a cannonball, we observe Newton's third law. Which force is the reaction force?
The cannon moving forward
The cannonball moving forward
The cannon moving backward
The cannonball moving backward
What is the unit called that measures force?
Isaac
Yee
Newton
kilogram
What is force?
A push
A pull
Jumping
Either a push or pull
When an object resists change, like a body in a turning car, it is called ________________.
inertia
force
friction
drag force
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
A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?
Law 1
Law 2
Law 3
When a truck stops suddenly, the packages on its truck bed continue to move forward. Which law is this?
Law 1
Law 2
Law 3
What is the net force and the direction of movement?
50 Newtons, Left
50 Newtons, Right
500 Newtons, Right
450 Newtons, Left
A net force of 15 N is exerted on a science book to cause it to accelerate at a rate of 5 m/s². Determine the mass of the book?
m = 3.0 kg
m = 4.0 kg
m = 3.0 ml
m = 30.0 g
Determine the acceleration that results when a 12-N net force is applied to a 3-kg object.
3 m/s²
4 ft/s²
13 m/s²
4 m/s²
For every action, there is an equal and opposite...
action
movement
reaction
Newton's law of inertia
Which Newton's law does this picture represent when you slam on the brakes?
Newton's 2nd law
Law of gravity
Newton's 1st law
Newton's 5th law
An unbalanced force means that an object is
zero net force
changing its motion
sitting still
object at rest
What is the tendency of an object to resist a change in motion?
coffee
motion
inertia
gravity
Which car is accelerating?
A car that is not moving
A car that rounds a curve at a constant speed
A car that has a set speed of 60mph
A person slides to the outside of the Zephyr ride because of Newton's ______.
1st Law
2nd Law
3rd Law
Which of these best describes why your weight (on Earth) would change on another planet?
Weight doesn’t change, no matter where you are
Different planets have different gravitational pulls
Dehydration effects on different planets change weight
What is the definition of "weight"?
The force with which gravity pulls on an object
The time it takes to get on a ride
The amount of matter in an object
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____ of force.
20N
40N
10N
Fig Newtons
are DELICOUS
GROSS
Only good from Grandma's purse (unwrapped of course)
The baseball player wants to hit a home run. What does he have to do to the force they exert on the ball?
The baseball player will need to apply more force to the bat swinging at the ball.
The baseball player will need to apply less force to the bat swinging at the ball.
The baseball player should change nothing about his swing.
Katniss Everdeen applies 32 N of force back on her bow. What happens to the arrow when she lets go?
The arrow goes backwards
The arrow goes forwards with 32 N
The arrow goes forwards with 23 N
The arrow goes forwards with 0 N
Why do you feel a light floating feeling when you are going straight up on a roller coaster and it suddenly goes down?
Your body wants to keep going up and the downward motion tricked your body.
Your body wants to go down and the downward motion tricked your body.
You ate too many treats at the park.
What would describe the movement of the box? the net force
5 N moving down
25 N moving down
5 N moving up
25 N at rest
Which would describe the net force and the movement of the box?
100 N moving right
100 N moving left
200 N moving up
Which would describe the net force and movement of the box?
45 N moving left
45 N moving up
14 N moving down
Which would describe the net force and movement of the box?
78 N down
78 N moving up
234 N moving down
234 N moving left
If they both kick the ball at the exact same time, which team gets the ball going in the direction they want?
The yellow team has more force, and the ball will go right.
The red team has more force, and the ball will go left.
They will tie with the force.
pulled to the center of the earth
in a normal force
in a buoyant force
The force that pulls toward the center of the earth is____.
gravity
mass
weight
Newton's 1st Law of Motion is also known as the Law of _____.
momentum
inertia
physics
mass vs. weight
Newton's 3 Laws can describe and predict the ____ of just about any object.
volume
mass
motion
weight
An object at rest stays at rest, and an object in motion stays in motion unless acted upon by what type of force?
balanced
unbalanced
large
newton
Solomon is trying to pull a wagon loaded with rocks. What can he do to increase the wagon's acceleration?
add more force
add more mass
use less force
add more rocks
An action force and its reaction force are equal in the ____ direction.
opposite
same
parallel
What units are used to measure force?
meters
kilograms
newtons
A sea scallop moves by shooting jets of water out of its shell. What law does this illustrate?
1st Law
2nd Law
3rd Law
4th Law
Pushing a full grocery cart is much harder and requires more force than pushing an empty cart. What law does this illustrate?
1st Law
2nd Law
3rd Law
4th Law
On Earth, a kangaroo jumping will eventually return to the ground due to the unbalanced force of gravity. What law does this illustrate?
1st Law
2nd Law
3rd Law
What is the measurement of mass in motion called? It's also another name for Newton's 2nd Law.
momentum
inertia
physics
movement
Use the picture as a reference. If the force of the girl pushing is 30N, and the force of the boy who is also pushing is 30N in the opposite direction, what is the net force?
0N
60N
900N
1N
Use the picture as a reference. If the force of the girl pushing is 20N, and the boy who is also pushing is 15N, what is the net force?
5N
300N
35N
1.33N
What is happening in the picture?
gravity
repulsion
pushing
attraction
A ball falling back to the ground is an example of which force?
magnetism
gravity
electricity
attraction
What is the name of the units that we measure force in?
Einsteins
Newtons
Kilograms
Metres
Which object will most likely move farthest with only 3 newtons of force?
a paper clip
a computer
your science book
a tissue box
___________ is a measure of the amount of matter in an object.
gravity
force
mass
What force causes a compass needle to move?
friction
unbalanced force
magnetism
gravity
What type of force is this man using to push his grocery cart?
Normal Force
Gravity
Air Resistance
Applied Force
What is the net force?
3 N
3 N, right
17 N, right
3 N, left
The coffee cup in the picture is at rest on the table. What is true about the Normal force?
The normal force is exactly 15
The normal force is less than 15
The normal force is more than 15
The normal force is -10
What is the Net Force and the direction of the object's movement as a result of the net force?
3N, Right
3N, Left
6N, Left
6N, Right
What is the Net Force and the direction of the object's movement as a result of the net force?
11N, Right
11N, Left
1N, Left
1N, Right
A 50-kg crate is pushed with a horizontal acceleration of 20 m/s2. What net force is acting on the crate?
2.5 N
0.4 N
1000 N
30 N
A 10-kg crate is pushed across a frictionless surface with a force of 30 N. What is its acceleration?
300 m/s2
3 m/s2
20 m/s2
0.33 m/s2
How are forces related to changes in motion?
Unbalanced forces only affect the direction of an object
Unbalanced forces can cause changes in motion
Unbalanced forces only affect the speed of an object
Unbalanced forces have no effect on changes in motion
Which of the following is an example of balanced forces?
A car accelerating
A rocket launching into space
A book falling off a table
A person pushing a wall
What is the net force of the object in the diagram?
800 N down
800 N up
400 N down
400 N up
Is the object in the above image accelerating?
yes
no
more information is needed
How do you repair a broken jack-o’-lantern?
Use a pumpkin patch.
pump-KIN
use a car jack
How do new pilots learn to fly?
They just wing it.
They flap really hard.
They talk to the birds.
Why did the teddy bear skip dessert?
She was stuffed.
She didn't like it.
She didn't know there was dessert.
What does a ghost call their boyfriend?
my boo
sweetheart
honey bear
