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WorksheetsNewton's Laws Practice
Total questions: 33
Worksheet time: 24mins
When an unbalanced force acts on an object, the force ______________________.
changes the motion of the object
is cancelled by another force
does not change the motion of an object
is equal to the weight of the object
When two equal forces act in opposite directions on an object, they are called ______________________.
frictional force
balanced force
centripetal force
gravitational force
The resistance of an object to any change in its motion is called ______________________.
inertia
friction
gravity
weight
According to Newton’s second law of motion, force is equal to mass times ______________________.
inertia
weight
acceleration
direction
What law is best described by inertia?
1st
2nd
3rd
"For every action, there is an equal and opposite reaction."
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
Newton's 4th Law
The force that opposes motion between two surfaces in contact with each other.
inertia
friction
momentum
gravity
The combination of all the forces acting on an object is the...
net force
action force
reaction force
balance force
A Newton is a unit of...
force
inertia
acceleration
velocity
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 traveling at a constant speed
A car that has a set speed of 60mph
What is motion?
It's like the ocean
Any change in an animal or person's position.
Motion is like acting
Any change in an object or person's position.
A 10 kg, 15 kg, and 20 kg rock are rolling down a hill. Which rock will require the most force to stop?
10 kg rock
15 kg rock
20 kg rock
All 3 rocks will require the same force
Objects with greater _________ also have greater inertia.
speed
mass
temperature
friction
If 2 roller coaster cars race with the same force, the car with greater mass will have a lower acceleration. This is an example of Newton's ____ Law of Motion.
Fir
Second
Third
Fourth
What law of motion does this picture represent?
Newtons 3rd law
Newtons 4th law
Newtons 1st law
Newtons 2nd law
A frog leaping upward off the lily pad is pulled down by gravity and lands on another lily pad instead of continuing in a straight line.
Newton's 1st Law of Motion (Inertia)
Newton's 2nd Law of Motion F=ma
Newton's 3rd Law of Motion (Action/Reaction)
When you are riding in a car and the car suddenly stops, your body continues to go forward.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
A pitched baseball goes faster than one that is thrown gently.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
A swimmer pushes water back with her arms, but her body moves forward.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
As an ice skater pushes harder with leg muscles, the ice skater begins to move faster.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
30 mph west is an example of ________
Force
Speed
Velocity
Acceleration
You are testing a slingshot with different objects. You try it with a mini-marshmallow, a quarter, and a large marble. If you pull it back with the same force each time, which object should leave the slingshot with the most acceleration?
Marshmellow
Quarter
Marble
Which of the following would be a good example of Newton's third law of motion?
An air freshener hanging from the rear-view mirror of a car hangs still while the car moves forward with a constant acceleration
A carbon dioxide-fueled rocket launches upward into the air as carbon dioxide gas accelerates toward the ground below the rocket
Two balls of different masses are rolled with the same force, resulting in the ball with larger mass stopping faster than the ball with the smaller mass.
All of the above
Match the following Law of motion with the correct example
Newton's 1st law of motion
Roll a ball across smooth/rough surfaces. The ball rolls faster on smooth because less fiction
Newton's 2nd law of motion
Hit a ball with 2 different forces, the ball will have greater acceleration due to larger force
Newton's 3rd of motion
Bouncing the ball on the court is the action, the floor pushing the ball back up is the reaction
Which best explains the law of force and acceleration (Newton's 2nd Law of Motion)
Restraints keep passengers from falling out of a roller coaster
Riders must be certain heights so they have enough mass to ride
A larger force will be required to accelerate a roller coaster with more people
A roller coaster that goes up must also come down due to the force of gravity
If you blow up a balloon, and then release it, the balloon will fly away. This is an example of
Si inflas un globo y luego lo sueltas, el globo se irá volando. Esto es un ejemplo de
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
James, Aria, and Aiden are playing a game where they each kick a different ball with the same amount of force. If James kicks a 3 pound ball, Aria kicks a 5 pound ball, and Aiden kicks a 15 pound ball, whose ball will go the farthest if another friend kicks a 25 pound ball with the same force?
James' 3 pound ball
Aria's 5 pound ball
Aiden's 15 pound ball
The 25 pound ball
Which statement below is false?
Weight depends on the force of gravity.
Mass is the amount of matter in an object.
Mass is a constant no matter where you are located.
Weight is a constant no matter where you are located.
In which situation is the object experiencing balanced forces?
A girl swings on a swing at the playground.
A car brakes as it approaches a traffic light.
A sled speeds up as it slides down a snow-covered hill.
A sky diver reaches terminal velocity when he stops accelerating.
The moon orbits our Earth. The opposite would never be true; the Earth would never orbit the moon. One reason is due to the force of gravity. The object ____________ has a greater gravitational force and that determines what satellites orbit around it.
with the greater mass
containing mostly water
with a thicker atmosphere
with the greater diameter
This graph shows that as an object’s mass increases its
inertia increases
inertia decreases
acceleration increases
acceleration decreases
A train rolls to a stop along a horizontal track without the conductor applying the brakes. What answer choice BEST explains why this occurred?
The train ran out of momentum.
The opposing force of friction stopped the train.
The natural state of the train is not to be in motion.
The force of gravity slowed the train until it stopped.
