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Newton's Laws Test Review

Total questions: 63

Worksheet time: 54mins

Name
Class
Date
1.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
2.
a)
1st
b)
2nd
c)
3rd
3.
F = MxA
a)
1st
b)
2nd
c)
3rd
4.
Action/Reaction
a)
1st
b)
2nd
c)
3rd
5.
Equal and Opposite
a)
1st
b)
2nd
c)
3rd
6.
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
7.
Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.
a)
The Law of Inertia
b)
The Law of Acceleration
c)
The Law of Conservation of Momentum
8.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
9.
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
10.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
11.
If an object was accelerating at 10 m/s^2, and a force of 10 newtons was required to accelerate it, what was the object's mass?
a)
1 kilogram
b)
10 kilograms
c)
2 kilograms
d)
5 kilograms
12.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
13.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
14.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
15.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
16.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
17.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
18.

An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...

a)

action force

b)

reaction force

c)

net force

d)

inertia

19.

When two equal forces act in opposite directions on an object, they are called ______________________.

a)

frictional force

b)

balanced force

c)

centripetal force

d)

gravitational force

20.

When an unbalanced force acts on an object, the force ______________________.

a)

changes the motion of the object

b)

is cancelled by another force

c)

does not change the motion of an object

d)

is equal to the weight of the object

21.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
22.
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
23.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
24.
A sled sliding on a flat, icy surface with a constant velocity is best described by
a)
Newton’s first law of motion for objects at rest.
b)
Newton’s first law of motion for objects in motion.
c)
Newton’s second law of motion.
d)
Newton’s third law of motion.
25.

If the man pushes with an equal amount of force, which object will accelerate more?

a)

Car because it has more mass

b)

Lawnmower because it has less mass

c)

Car because it has less mass

d)

Lawnmower because it has more mass

26.

What unit do we measure force in?

a)

Kilometer/hr

b)

Joules

c)

Seconds

d)

Newtons

27.
The larger the mass you have the _____ force you need to change its motion.
a)
more
b)
less
28.
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
29.
Two students are in a baseball game. The first student hits a ball very hard and it has a greater acceleration than the second student who bunts the ball lightly.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
30.
Why would one ball travel a greater distance than the other when pushed with the same amount of force?
a)
Different sizes
b)
Different weights
c)
Different masses
d)
Different forces
31.
Which shopping cart will have more acceleration?  
a)
The empty shopping cart
b)
The shopping cart that's full
c)
They will be the same
32.
Will it take more force to push an empty shopping cart or a shopping cart that is full?
a)
The empty shopping cart
b)
The full shopping cart
c)
They will take the same amount of force
33.
As force applied to a textbook increases, what happens to its acceleration?
a)
Stays the same
b)
Increases
c)
Decreases
d)
Opens
34.
A student leaves a pencil on a desk and it stays there until I pick it up. 
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
35.
What two quantities must I know to calculate something's speed?
a)
time and weight
b)
position and distance
c)
distance and time
d)
distance and speed
36.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
37.
This triangle is used to determine speed. 
a)
True
b)
False
38.

When a small car pushes a big truck, the truck applies an equal and opposite force on the car.

a)

False

b)

True

39.

When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?

a)

The cannon moving forward

b)

The cannon moving backwards

c)

The cannonball moving backwards

d)

The cannonball moving forward

40.

Action reaction forces never cancel each other out because

a)

They act on different objects.

b)

They act on the same objects

c)

They do not act on objects.

41.

If two people with the same mass collide, they experience the same amount of force.

a)

True

b)

False

42.

When the person pushes the ground with their foot, the equal and opposite reaction force is

a)

the ground pushing back on their foot

b)

when they start to move forward

43.

Force always come in________

a)

waves

b)

triplets

c)

pairs

44.

When a heavy football player and a light one run into each other, who exerts more force

a)

The light one

b)

Their force are equal

c)

The heavy one

45.
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.
46.

What happens to the balloon if the air is released ?

a)

Balloon goes right

b)

Balloon goes up

c)

Balloon goes down

d)

Balloon goes left

47.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
48.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
49.
An object in motion will stay in what kind of motion as long as the net forces acting on it are zero?
a)
slowing motion in a straight line
b)
accelerating motion in a straight line
c)
constant motion in a straight line
d)
constant motion in an unpredictable direction
50.
One object has twice as much mass as another object. The first object also has also twice as much...
a)
velocity
b)
gracitational acceleration
c)
inertia
d)
all of these
51.
Which has more Inertia? (and more force to move) 
a)
Truck
b)
Ant
52.
Why does an 18-wheeler have more inertia than a bicycle?
a)
it has more mass
b)
it has more volume
c)
it is not as aerodynamic
53.
According to Newton’s first law of motion, an object at rest that is not acted on by an unbalanced force will
a)
remain in motion.
b)
eventually come to a stop.
c)
change its momentum.
d)
remain at rest
54.
The sum of all forces acting on an object and direction
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
55.
Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?
a)
Balanced
b)
Unbalanced
56.
Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?
a)
Balanced
b)
Unbalanced
57.
Ted is trying to move a fridge through his house, he gets stuck on a carpet and even though he is pushing the fridge, it is not moving. What force is acting against him?
a)
gravity
b)
friction
c)
air
d)
mass
58.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
59.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
60.

A baseball player attempts to slide into second base but is stopped short without any interference from the second baseman. What likely causes the player to come to a stop?

a)

Newton's 1st Law

b)

Inertia

c)

Friction

d)

Gravity

61.

You are riding on a rollercoaster and the ride is nearing its end. As the ride car pulls into the start/finish area, the cruel conductor suddenly engages the brakes. What will your body do and WHY?

a)

Move forward because you are at rest and want to remain at rest

b)

Move forward because you are in motion and want to stay in motion

c)

Move backward because you are in motion and want to stay in motion

d)

Move backward because you are at rest and want to remain at rest

62.

You are at an amusement park at the top of a drop tower. You hear a couple of clicks and then you plummet (accelerate) towards the ground and your body suddenly moves off the seat when you start to descend. Why does this occur?

a)

Magic.

b)

Gravity causes your body to move upward.

c)

You are in motion and want to stay in motion.

d)

Your are at rest and wish to remain at rest.

63.

For the diagram, determine the net force in the correct direction.

a)

35 N to the left

b)

23 N to the right

c)

17 N to the right

d)

6 N up

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