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Year 7 - Newton's Laws of Motion Mega Quiz

Total questions: 75

Worksheet time: 1hrs 15mins

Name
Class
Date
1.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
2.
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 
3.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)

F=MxA

d)

F=MxF

4.

Because of inertia, a resting object ________.

a)

will remain at rest

b)

will move at a constant speed

c)

will eventually move

d)

is unbalanced

5.

The first law of motion states that objects in motion will:

a)

stop

b)

accelerate

c)

stay in motion

d)

rest

6.

The first law of motion states that objects at rest will stay at rest unless acted upon by an unbalanced:

a)

motion

b)

force

c)

inertia

d)

acceleration

7.

Newton's second law of motion states that an unbalanced force is equal to mass times:

a)

acceleration

b)

force

c)

motion

d)

inertia

8.

As more unbalanced force is applied to an object, its acceleration:

a)

stays the same

b)

decreases

c)

increases

9.

Newton's third law of motion states that for every action there is:

a)

an opposite, but equal reaction.

b)

an opposite and equal reaction.

c)

a reaction.

10.

Friction and air resistance are forces that:

a)

can make an object slow down or stop

b)

pulls an object toward the center of Earth

c)

changes an object's position

d)

can't be described

11.

A force is:

a)

a push

b)

a pull

c)

both

d)

neither

12.

Which law is this picture illustrating?

a)

Law 1

b)

Law 2

c)

Law 3

13.

A book sitting on the table does not move.

a)

Law 1

b)

Law 2

c)

Law 3

14.

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

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

15.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)

First Law of Motion: Inertia

b)

Second Law of Motion: Acceleration

c)

Third Law of Motion:
Recoil

d)

Fourth Law of Motion:
Refraction

16.
A person is pushed forward into their seat belt when a car stops.  Which law is this?
a)
1st
b)
 2nd
c)
2 and 3
d)
3rd 
17.

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?

a)
b)
c)
d)
18.

On which surface will a toy car travel the furthest if not pushed?

a)
Carpet
b)
Polished Wood
c)
Ice
d)

All other answers are incorrect.

19.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
20.

Which of the following statements is false?

a)

Friction can only slow things down

b)

Friction is never useful

c)

Friction can stop things from moving

21.

What is a PUSH or a PULL of an object?

a)

Motion

b)

Friction

c)

Force

d)

Gravity

22.
Which is the best example of Newton's First Law of Motion?
a)
a basketball thrown in the air falls to the ground
b)
a soccer ball remains motionless until it is kicked by a player
c)
a baseball player swings at an approaching ball
d)
an ice skater pushes back from a wall and moves backwards
23.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law 
c)
Newtons 3rd law 
d)
Newtons 2nd law
24.

A man hits a 1 kg golf ball causing it to accelerate at rate of 25 m/s2. Calculate the force used on the golf ball.

a)

1 N

b)

25 N

c)

250 N

d)

2500 N

25.
Which example best explains Newton's Third Law of Motion?
a)
When a glass slid across a table, it spilled water when it stopped suddenly.
b)
An engine used less work to move a lighter car than when it moved a heavier car.
c)
When you sit on a chair, your body exerts a downward force on the surface of the chair, while the chair exerts an equal and upward force on your body. 
26.

If an object has a small mass, it wouldn't need as strong of a force to accelerate it. Which law does this describe?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

27.

Which of the following is an example of Newton’s 1st Law of motion?

a)

a laptop sitting on a desk

b)

a train traveling at a constant speed

c)

Earth orbiting the Sun

d)

all of the above

28.

A truck has a mass of 10 kg. In order to accelerate at 3 m/s², how much force would need to be produced?

a)

3

b)

30

c)

300

d)

3000

29.
What is the standard unit force is measured in?
a)
Newtons
b)
pounds
c)
grams
d)
meters
30.
According to Newton's second law, if you increase the force applied to an object :
a)
it accelerates more
b)
it doesn't move
c)
you get more inertia
d)
it decelerates
31.

Which of Newton's laws does this picture represent

a)

Newtons 2nd law

b)

Law of gravity

c)

Newtons 1st law

d)

Newtons 5th law

32.

The resistance when a surface of an object moves over another surface is known as what?

a)

gravity

b)

force

c)

friction

d)

acceleration

33.

When 2 equal forces act on an object and the object doesn't move, it is considered what?

a)

balanced

b)

unbalanced

34.

When unequal forces cause an object to move, it is considered what?

a)

balanced

b)

unbalanced

35.

A tendency to do nothing or remain unchanged is known as what?

a)

tension

b)

force

c)

gravity

d)

inertia

36.

What causes a ball rolling across a rug to slow to a stop?

a)

The rug doesn't have enough force to hold the ball.

b)

Friction resists the ball's forward motion.

c)

The rug doesn't have enough momentum to keep the ball moving.

d)

The ball isn't moving fast enough.

37.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Paired Forces

38.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Recoil

39.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Paired Forces

40.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Paired Forces

41.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Paired Forces

42.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Paired Forces

43.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Paired Forces

44.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Paired Forces

45.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Paired Forces

46.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Paired Forces

47.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Paired Forces

48.

a)

First Law: Inertia

b)

Second Law: Force

c)

Third Law: Paired Forces

49.

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

50.

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

a)

Unbalanced

b)

Balanced

51.

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

a)

Unbalanced

b)

Balanced

52.
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?
a)
For every action there is an equal and opposite reaction.
b)
Every mass exerts a force on every other mass.
c)
An object at rest tends to stay at rest.
d)
Friction opposes the motion of an object.
53.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
54.
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
55.
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
56.

What is the Net Force?

a)

10

b)

0

c)

3

d)

2

57.
What is the net force?
a)
30 N 
b)
25 N 
c)
5 N 
d)
55 N 
58.

Force exerted between the surfaces of two objects.

a)

Friction

b)

Inertia

c)

Force

d)

Gravity

59.
Which has more Inertia? (so need more force to move) 
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
60.
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 
61.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
62.

If you lean against a wall, the wall pushes back on you with a(n) weaker force.

a)

True

b)

False

63.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
64.
What is the net force?
a)
5.5 N left
b)
5.5 N right
c)
2.5 N left
d)
2.5 N right
65.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
66.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
67.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
68.
Which of the following could cause an acceleration?
a)
A balance between two forces
b)
A balance between three forces
c)
An imbalance between two forces
d)
Zero forces
69.
What is the net force?
a)
1.3 N left
b)
1.3 N right
c)
3.7 N left
d)
3.7 N right
70.
What is the net force?
a)
1.3 N left
b)
1.3 N right
c)
3.7 N left
d)
3.7 N right
71.

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

a)

12 N Right No

b)

12 N Right Yes

c)

4 N Left Yes

d)

4 N Left No

72.

Student A is pushing at 63 newtons, and student B is pushing at 56 newtons. What is the net force (calculation).

a)

119 N Right

b)

7

c)

7 N Right

d)

119

73.
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.
74.
In which direction will the box accelerate?
a)
Down and to the left
b)
Up and to the right
c)
Up and to the left
d)
Down and to the right
75.
In which direction will the box accelerate? 
a)
Down and to the left
b)
Down and to the right
c)
Up and to the left
d)
Up and to the right

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