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Newton's Laws

Total questions: 42

Worksheet time: 41mins

Name
Class
Date
1.

30 mph west is an example of ________

a)

Force

b)

Speed

c)

Velocity

d)

Acceleration

2.

A lamp sitting on a table is best demonstrating Newton's ___ Law

a)

1st

b)

2nd

c)

3rd

d)

4th

3.

Newton's 3rd Law states that for every action, there is an equal and opposite _____.

a)

Reaction

b)

Refraction

c)

Retraction

d)

Reflection

4.

A ____ is a push or pull on an object

a)

Force

b)

Acceleration

c)

Speed

d)

Velocity

5.

A car traveling 65 mph is an example of its _____.

a)

Force

b)

Speed

c)

Accerelation

d)

Velocity

6.

A force that causes an object to slow down when it touches another object is ____.

a)

Gravity

b)

Interia

c)

Friction

d)

Newton

7.

Newton's 2nd Law says that the acceleration of an object depends on its _____ and _____.

a)

Force

b)

Gravity

c)

Weight

d)

Mass

8.

Which of Newton's Laws explains a rocket's movements during launch?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

9.

What is Newton's 1st Law of Motion?

a)

Force = Mass x Acceleration

b)

An object at rest stays at rest unless acted on by an unbalanced, external force

c)

What goes up must come down

d)

For every action, there is an equal and opposite reaction.

10.

What is Newton's 2nd Law of Motion?

a)

Force = Mass x Acceleration

b)

An object at rest stays at rest unless acted on by an unbalanced, external force

c)

What goes up must come down

d)

For every action, there is an equal and opposite reaction.

11.

What is Newton's 3rd Law of Motion?

a)

Force = Mass x Acceleration

b)

An object at rest stays at rest unless acted on by an unbalanced, external force

c)

What goes up must come down

d)

For every action, there is an equal and opposite reaction.

12.

True or False: objects with greater mass require more force to accelerate when compared to objects with less mass.

a)

True

b)

False

13.

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?

a)

Marshmellow

b)

Quarter

c)

Marble

14.

A rocket pushes extremely hot gas (propellant) out of its thrusters, and the propellant pushes back on the rocket, allowing it to take off. Which of Newton's Laws is this an example of?

a)

Newton's 1st

b)

Newton's 2nd

c)

Newton's 3rd

d)

Newton's 4th

15.

A rocket pushes extremely hot gas (propellant) out of its thrusters, and the propellant pushes back on the rocket, allowing it to take off. Which of Newton's Laws is this an example of?

a)

Newton's 1st

b)

Newton's 2nd

c)

Newton's 3rd

d)

Newton's 4th

16.

A force that causes an object to slow down when it touches another object is ____.

a)

Gravity

b)

Interia

c)

Friction

d)

Newton

17.

A Newton's 1st Law is also called the Law of ____.

a)

Gravity

b)

Interia

c)

Friction

d)

Newton

18.

What does the first part of Newton’s first law say about objects in motion?

a)

Objects in motion speed will increase.

b)

Objects in motion speed will decrease.

c)

Objects will move at the same speed and direction unless force changes their motion.

d)

Force does not affect the change in an objects motion.

19.

Isaac Newton stated for every action there is an

_________ and _________ reaction.

a)

equal and same

b)

equal and opposite

c)

unequal and same

d)

unequal and opposite

20.

What determines an object’s mass?

a)

amount of matter

b)

amount of friction

c)

amount of force

d)

amount of gravity

21.

While you’re ice-skating with your friends, you push off from one end of the rink and slide forward. Based on Newton’s first law of motion, what is true?

a)

You will lose your balance and fall over before your reach the middle of the ice rink.

b)

You will continue to slide across the ice until a force makes you stop or change direction.

c)

The force of gravity will make you keep your velocity until your friends make you stop.

d)

The size of your ice skates will determine how quickly or slowly you travel across the ice.

22.

Your friend kicks a soccer ball, and it stops a few feet from you. What needs to happen to it in order for it to return to your friend?

a)

Friction has to be applied to the ball.

b)

Force has to be applied to the ball.

c)

Speed has to be applied to the ball.

d)

Inertia has to be applied to the ball.

23.

What does friction do to a moving object?

a)

Makes it rise

b)

Slows it down

c)

Speeds it up

d)

All of the above

24.

How is velocity different from speed?

a)

Velocity is when an object goes in reverse.

b)

Velocity is the direction an object moves in, and it has nothing to do with speed.

c)

Velocity is speed and direction together.

d)

Velocity is not at all different from speed.

25.

You are riding in the car with your grandfather, and he turns left. Why do you shift to the right?

a)

It takes you a moment to catch up with the new velocity of the car.

b)

You have more inertia than the car, so it take longer for you to turn left.

c)

You had been sitting at rest until the force of the turn set you in motion.

d)

The car continued in the same velocity, but you had a different inertia.

26.

The rate at which an object’s velocity changes is called what?

a)

inertia

b)

actualization

c)

acceleration

d)

completion

27.

Every time your cat’s paw hits her toy string, it swings away from her. How does this demonstrate Newton’s third law of motion?

a)

Objects with mass, such as your cat's paw and toy string, will require inertia.

b)

Objects in action, such as the string toy, will experience force.

c)

For every motion from your cat's paw, there is unbalanced inertia from the string.

d)

For every action your cat makes, there is an equal and opposite reaction from the string.

28.

A softball and a volleyball collide with equal speed, and then they accelerate at the same rate. What must be true about the masses of the objects?

a)

The softball has more mass than the volleyball.

b)

The softball and the volleyball have equal mass.

c)

The volleyball has more mass than the softball.

d)

It is impossible to compare the mass of the softball and the volleyball

29.

Which of the following is an example of balancing forces?

a)

A Book resting on the table.

b)

A pencil is knocked off the desk.

30.

Newton's first law states that an object must travel at a constant speed and in ___________, unless an unbalanced force acts on it.

a)

in a circle

b)

a wave like manner

c)

the same direction

31.

Looking at the image. Decide if this is balanced or unbalanced.

a)

Unbalanced

b)

Balanced

32.

Looking at the image. Decide if this is balanced or unbalanced.

a)

Unbalanced

b)

Balanced

33.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
34.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
35.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
36.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3 
d)
Cart 4
37.
If a 10 kilogram object had a force of 50 newton's applied to it, what would its acceleration be?
a)
15 m/s^2
b)
5 m/s^2
c)
.5 m/s^2
d)
10 m/s^2
38.

The picture shows a weightlifter holding the barbell over his head.

The force of gravity pulling down on the barbell is 756 newtons.

How many newtons of force are exerted by the weightlifter to hold the barbell up?

a)

No Newtons

b)

756 Newtons

c)

368 Newtons

d)

14767 Newtons

39.

An inflated balloon released from rest moves horizontally.

The law that best explains this event is

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Law of Gravity

40.

The force of an object, with a certain mass accelerating at a certain rate, can be determined by the equation below:

force = mass x acceleration

Which object would have the greatest force?

a)

a 5-kg object accelerating at 100 m/s

b)

a 5-kg object accelerating at 20 m/s

c)

a 20-kg object accelerating at 4 m/s

d)

a 20-kg object accelerating at 3 m/s

41.

A dictionary weighing 15 Newtons is placed on a desk.

What is the force that the desk exerts on the dictionary?

a)

none

b)

15 N

c)

1.5 N

d)

150 N

42.

The diagram below shows unequal opposing forces.

Which way will the wagon move?

a)

The cart will move to the right.

b)

The wagon will move to the left.

c)

The wagon will remain stationary.

d)

The wagon will move left and then right and then stop.