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Newton's Laws of Motion and Forces EXAM

Total questions: 37

Worksheet time: 32mins

Name
Class
Date
1.

According to Newton's First Law, unless acted upon by an unbalanced force, an object at rest will ______________________________.

a)

will move in the opposite direction

b)

stay at rest

c)

start moving

d)

never EVER move.

2.

Which term best describes the force on an object with a net force of zero?

a)

Balanced Forces

b)

Unbalanced Forces

c)

Inertia

d)

Acceleration

3.

What is Newton's 1st Law?

a)

For every action there is an equal and opposite reaction.

b)

An object at rest will stay at rest, an object in motion will stay in motion, unless an unbalanced force acts upon it.

4.
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.
5.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
6.
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.
7.
What is the net force on the block? (click on the words to view the picture)
a)
5 Newtons up
b)
5 Newtons down
c)
15 Newtons up
d)
15 Newtons down
8.
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
9.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
10.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
11.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
12.
How does Newton’s third law explain how a rocket takes off?
a)
The rocket’s acceleration is positive, while the gasses acceleration is negative but the direction is the same. 
b)
The rocket is at rest until ignition.
c)
The hot gasses move in one direction, while the rocket moves in the opposite direction but with equal force.
13.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
a)
True
b)
False
14.
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
15.
A truck that is travelling at a constant speed is carrying some boxes.  If the truck comes to a sudden stop, what will most likely happen to the boxes?
a)
They will stay in the middle of the truck.
b)
They will slide toward the front of the truck.
c)
They will slide toward the back of the truck.
d)
They will fall off the side of the truck.
16.
Object X has twice the mass of Object Y.  Both objects are accelerating at the same rate.  Which statement best describes the motions of Object X and Object Y.
a)
Object X is travelling at twice the speed as Object Y.
b)
Object X is travelling at half the speed as Object Y.
c)
Object X requires twice the force to accelerate at the same rate as Object Y.
d)
Object X requires half the force to accelerate at the same rate as Object Y.
17.
The force that draws all objects towards Earth.
a)
friction
b)
gravity
c)
mass
d)
acceleration
18.
Who invented the 3 Laws of Motion?
a)
Sir Francis Bacon
b)
Sir Isaac Newton
c)
Johannes Kepler
d)
Galileo Galilei
19.
If Brandon wants the  baseball to go far, he must use _________ force when he swings the bat.
a)
no
b)
equal
c)
less
d)
more
20.

When the force on a car is doubled, the acceleration is doubled.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

21.

A magician pulls a table cloth from under a table of dishes.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

22.

A skater pushes another skater forward, but the one pushing moves backwards.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

23.

The harder you hit a baseball, the faster it accelerates.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

24.

You push against a wall and the wall is pushing back on you.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

25.

You are carrying a lunch tray when you bump into the edge of a table. Although the tray did not tip, your milk falls off of the front of the tray.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

26.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
27.
Are the forces acting on the rope balanced or unbalanced?
a)
Balanced
b)
Unbalanced
28.

These forces are...

a)

Balanced

b)

Unbalanced

29.

What is true about this image?

a)

It shows unbalance forces.

b)

It shows balanced forces.

c)

The people on the right are winning.

d)

The people on the left are winning.

30.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
31.

Which of the blocks above has balanced forces acting on it?

a)

A

b)

B

c)

C

d)

D

32.
The tendency of an object at rest to stay at rest unless it is acted upon by a force is called ___________________
a)
inertia
b)
motion
c)
gravity
d)
lubricant
33.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
34.

How much force is needed to accelerate a 3kg skateboard at 5m/s2.

a)

8N

b)

1.6N

c)

0.6N

d)

15N

35.
Look at this scenario, which law does this represent? 
a)
Law of Inertia
b)
Law of Force and Acceleration
c)
Law of Action-Reaction
36.
If a 2kg bird is pushed by the wind with a force of 2N, how fast does the bird accelerate?
a)
1 m
b)
2 m/s2
c)
4m/s2
d)
1 m/s2
37.
A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2.  What is the mass of the object?
a)
100kg 
b)
1,250kg
c)
50kg
d)
5kg

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