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Worksheets

Newtons Laws

Total questions: 60

Worksheet time: 3hrs 31mins

Name
Class
Date
1.

If an object is at rest, then there are no forces acting upon the object.

a)

True

b)

False

2.

An object would have more mass on Mount Everest than the same object in the middle of the Thames.    

a)

True

b)

False

3.

It would take an unbalanced force to cause an object to accelerate from rest

a)

true

b)

false

4.

A more massive object has more inertia than a less massive object.

a)

True

b)

False

5.

When a student runs and kicks a ball, they have applied an ___________ force to move the ball.

a)

Balanced

b)

Magnetic

c)

Spring

d)

Unbalanced

6.

What Unit do we Measure Force in?

a)

Newtons

b)

Joules

c)

Force

d)

Kilograms

7.

What does this picture represent

a)

Force,magnetism,acceleration

b)

Force, money, Apples

c)

Force, Mass, Acceleration

d)

Funny, monkeys, Arrive

8.

An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force. Which law does this describe

a)

2nd law

b)

1st law

c)

3rd law

9.

When there is a change in motion?

a)

When forces are balanced

b)

When the forces are unbalanced

c)

Whe forces are equal

d)

Never

10.

Object tendency to resist change

a)

Friction

b)

Inertia

c)

Forcé

d)

Gravity

11.

What is another name for Newton’s 1st law?

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action/Reaction

12.

When a student runs and kicks a ball, they have applied an ___________ force to move the ball.

a)

Balanced

b)

Magnetic

c)

Spring

d)

Unbalanced

13.

Which law of motion says that you must push or pull objects harder if they have more mass?

a)

1st

b)

2nd

c)

3rd

d)

4th

14.

What law is best described by inertia?

a)

1st

b)

2nd

c)

3rd

d)

law of conservation of mass

15.

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

a)

The Law of Inertia (1st law)

b)

The Law of Acceleration (2nd law)

c)

The Law of Conservation of Momentum

d)

Action Reaction Law (3rd law)

16.

What is Newton's First Law

a)

F=ma

b)

Every action has an equal and opposite reaction

c)

An object at rest stays at rest, an object in motion stays in motion.

d)

Friction

17.

A 20 kg bike accelerates at 10 m/s2. what was the force

F = m x a

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

18.

Newton's third law states that any action will have a(n) _______ and ______ reaction

a)

Equal and similar

b)

Equal and opposite

c)

Equal and different

d)

Greater and opposite

19.

8 N to the left , and 4 N to the right. Find the net force. Is this balanced

a)

12 N Right No

b)

4 N Left No

c)

12 N Right Yes

d)

4 N Left Yes

20.

Which of Newton's laws is shown

a)

1st law

b)

3rd law

c)

2nd law

21.

If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?

a)

3rd law

b)

1st law

c)

2nd law

22.

What force slows objects down and keeps them from moving?

a)

Acceleration

b)

Gravity

c)

Friction

d)

Net Force

23.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
24.
What is Newtons 2nd law of motion?
a)
Pancakes 
b)
Force= Mass multiplied by acceleration
c)
For every action there is a equal and opposite  re-action.
d)
Law of gravity 
25.
A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2. Determine the mass of the encyclopedia?
a)
 m = 3.0 kg
b)
m = 4.0 kg 
c)
m = 3.0 ml 
d)
m = 30.0 g
26.
Determine the accelerations that result when a 12-N net force is applied to a 3-kg object. 
a)
3 m/s
b)
4 ft/s 
c)
13 m/s
d)
4 m/s 
27.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
28.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
29.

Is this Balanced or Unbalanced force.

a)

Unbalanced force

b)

Balanced force

30.

What force is acting on the cat at the end?

a)

Gravity

b)

Friction

c)

Momentum

31.

What causes the car to roll of the flatbed?

a)

inter-ta and mass

b)

hydraulics

c)

momentum

d)

My mans driving

32.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
33.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
34.

Earth exerts a stronger gravitational force than the moon because Earth has more________.

a)

stuff

b)

mass

c)

density

d)

gravity

35.

What are the appropriate units to describe acceleration?

a)

m/p

b)

m/h

c)

m/s

d)

m/s square

36.

How many Laws of Motion did Isaac Newton Create?

a)

2

b)

4

c)

5

d)

3

37.

In Newton's first Law of Motion, an object at rest will ___________.

a)

defy gravity

b)

want to move

c)

remain at rest

d)

Go to the Moon!

38.

According to Newton's Second Law of Motion, an object in motion will _________.

a)

Stay in motion

b)

want to stop right away

c)

spontaneously combust

d)

Go to the Moon!

39.

Mass of an object can be defined by...

a)

how small an object is

b)

how large an object is

c)

how far an object is from the sun

d)

How much matter an object is made out of.

40.

The greater the mass of an object, the greater the amount of ______ is needed to make it accelerate.

a)

Force

b)

Matter

c)

Acceleration

d)

Velocity

41.

In the equation f=ma, what does the "m" stand for

a)

acceleration

b)

matter

c)

mass

d)

force

42.

Solve the following equation to find the force.

F = 10kg x 5m/s

a)

20 newtons

b)

50 newtons

c)

2 newtons

d)

50 kilometers

43.

Solve the following equation to find the acceleration of the object.

20n = 10kg x a

a)

2 kilometers

b)

200 meters per second

c)

8 meters per second

d)

2 meters per second

44.

Jumping into the air is an example of _________.

a)

Action-reaction forces

b)

Momentum

c)

electromagnetic fields

d)

Mass

45.

Which choice below best defines MOMENTUM?

a)

Gravitational forces pulling an object from earth

b)

How fast an object can speed up

c)

An object at rest wants to stay at rest

d)

Characteristic of moving objects dealing with its mass and velocity

46.

True or False. If an object is hit opposite sides with the same amount of force on each side, the forces cancel out and the object will NOT move.

a)

True

b)

False

47.

What is velocity?

a)

It is only the acceleration of an object

b)

It is the speed AND direction of an object.

c)

Only the direction of an object

d)

None of the above

48.

True or false. If you change ONLY the direction of an object, you have then changed its velocity.

a)

True

b)

False

49.

Which choice below best defines gravity?

a)

A force that pushes away

b)

an objects ability to accelerate

c)

An objects mass attracting other objects towards it

d)

The ability to change the speed and direction of an object

50.

Select the term that BEST matches the definition below.

Definition: Energy that causes movement.

a)

Force

b)

Gravity

c)

Momentum

d)

Newton's Third Law of Motion

51.

A push or a pull is called a

a)

Gravity

b)

Force

52.

A soccer ball is sitting in the middle of a field. The ball will remain at rest until an outside force like a players foot or the wind acts upon it. Which of Newton's laws is represented by this?

a)

1st

b)

2nd

c)

3rd

53.

Think about pushing a shopping cart and a car. If you apply the same amount of force to both, the shopping cart will travel fast, but the car will hardly move. To move the car yo would need a larger force. Which of Newton's laws is being represented?

a)

1st

b)

2nd

c)

3rd

54.

Sally jumps on her trampoline. She exerts a force on the trampoline and the trampoline exerts an equal but opposite force back on Sally. This represents

a)

Law 1

b)

Law 3

c)

Law 2

55.

Which law explains why the driver "keeps moving forwards, even though the car has stopped"?

a)

1st

b)

2nd

c)

3rd

56.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
57.
a)
1st
b)
2nd
c)
3rd
58.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
59.

The reason a ball bounces up when it hits the ground:

a)

The ball and ground repel each other.

b)

The ball exerts a force on the ground, and the ground exerts a force on the ball.

60.

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.