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Newtons Laws Review

Total questions: 55

Worksheet time: 37mins

Name
Class
Date
1.
A push or a pull.
a)
Force
b)
Friction
c)
Weight
d)
Gravity
2.
An object at rest remains at rest and an object in motion remains in motion unless it experiences an unbalanced force is what law?
a)
First Law
b)
Second Law
c)
Third Law
d)
Ninth Symphony
3.
The tendency of an object to resist being moved or if in motion, being stopped is...
a)
Inertia
b)
Force
c)
Fricition
d)
Monty
4.
What is the SI unit for measuring force?
a)
Newtons
b)
Pounds
c)
Carls
d)
Isaacs
5.
The unbalanced force acting on an object equals the object's mass times its acceleration is which law...?
a)
First Law
b)
Second Law
c)
Third Law
d)
Murphy's Law
6.
The formula we get from the second law is...?
a)
F = m*a
b)
v = d/t
c)
a = v/t
d)
f = 1/T
7.
Which statement illustrates Newton’s first law?
a)
A stone will not move unless something pushes or pulls it
b)
As a car comes to a stop, the passengers continue to move forward
c)
A ball rolling across the floor eventually slows down
d)
All of them!
8.
If the forces on an object do not add up to zero, the forces are ____________________
a)
balanced
b)
equal
c)
unbalanced
d)
equilibrium
9.
If the forces on an object add up to zero, the forces are ___________________
a)
equilibrium
b)
unbalanced
c)
balanced
d)
positive
10.
If an object has zero net force, can it be moving? 
a)
Yes. In constant motion.
b)
No. It is balanced.
c)
Yes. It is accelerating.
d)
No it equals zero.
11.
What is the Net Force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
12.
What is the Net Force?
a)
5 N to the right
b)
10 N to the right
c)
15 N to the right
d)
0 N
13.
An object at rest will _______ if no outside forces are applied.
a)
Stay at rest
b)
Increase Velocity
c)
Decrease Mass
d)
Go to sleep
14.
Which of the following shows the direction of the friction force?
a)
A
b)
B
c)
C
d)
D
15.
An ice skater at rest pushes against a sled at rest, causing both the skater and sled to move away from each other with different accelerations. This is an example 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. F=ma
d)
Newton’s third law of motion: Equal and opposite reaction
16.
A crumpled piece of paper hits the ground before a flat sheet of paper because
a)
the acceleration of gravity is greater on the  crumpled paper.
b)
there is more air resistance against the flat paper.
c)
the crumpled paper is more massive
d)
the crumpled paper is less massive.
17.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third 
d)
fourth
18.
When you kick a ball across a feild and it hits someone in the face and they fly backwards
a)
Action=Reaction
b)
Speed
c)
Motion
d)
Air 
19.
What is Newtons 1st law of motion?
a)
Force= Mass multiplied by acceleration 
b)
An object at rest stays at rest unless acted on an unbalanced force. (inertia)
c)
For every action there is a equal and opposite  re-action.
d)
law of gravity 
20.
What law of motion does this picture represent?
a)
Newtons 3rd law
b)
Newtons 4th law
c)
Newtons 1st law
d)
Newtons 2nd law 
21.
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 
22.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
law of gravity 
c)
Newtons 4th law 
d)
Newtons 2nd law
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.
What Newtons law does this picture represent
a)
Newtons 2nd law 
b)
Law of gravity 
c)
Newtons 1st law
d)
Newtons 5th law
25.
Mass is a measure of an object's inertia. Objects with greater mass have a greater inertia; objects with less mass have less inertia.
a)
true 
b)
false 
26.
What is the tendency of an object to resist a change in motion?
a)
coffee
b)
motion
c)
inertia
d)
gravity
27.

The upward force on an object falling through the air is__________

a)

air resistance

b)

inertia

c)

momentum

d)

terminal velocty

28.
What is the net force?
a)
4.2 N left
b)
4.2 N right
c)
2.2 N left
d)
2.2 N right
29.

To increase acceleration, you need to increase

a)

mass

b)

force

c)

momentum

d)

velocity

30.

Newton's third law deals with _________ forces.

a)

frictional

b)

centripital

c)

action-reaction

d)

gravitational

31.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia
b)
The Law of Acceleration
c)
The Law of Conservation of Momentum
32.

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

33.

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

34.

According to Newton’s second law of motion, force is equal to mass times ______________________.

a)

inertia

b)

weight

c)

acceleration

d)

direction

35.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

36.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

37.
"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
38.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
39.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
40.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
41.
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
42.

If you increase the mass on an object while the force remains the same, its acceleration

a)

decreases

b)

stays the same

c)

also increases

d)

stops

43.

If you increase the force on an object, its acceleration

a)

decreases

b)

stays the same

c)

also increases

d)

stops

44.
Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
45.
A picture is hanging on a wall and does not move.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
46.

Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

47.

This force is caused by air and slows things down.

a)

friction

b)

air resistance

c)

pulling

48.

A rocket launches because of ______.

a)

gravity

b)

air resistance

c)

an opposite reaction

49.

An object's motion won't change unless acted on by a(n) _________

a)

motion

b)

unbalanced force

c)

balanced force

50.

A baseball pitcher throws a baseball. It does not reach the catcher. What should the pitcher do to make a ball reach the catcher?

a)

Decrease the force used when throwing the ball

b)

Increase the force used when throwing the ball

c)

Increase the gravity exerted on the ball

51.

If a car is moving fast and hits a wall, the wall will....

a)

apply an equal and opposite force back on the car

b)

allow the car to run through the wall

c)

open up and swallow the car

52.

Jupiter has about 317 times more mass than Earth. What can you infer from this fact?

a)

That Jupiter’s and Earth’s gravitational forces are equal.

b)

That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.

c)

Mass has no effect on the gravitational force between two objects

53.

How can you increase the acceleration of an object?

a)

decrease its mass

b)

increase its friction

c)

decrease the force applied to it

54.

Fill in the blank to complete the formula. ___________ = mass x acceleration

a)

Momentum

b)

force

c)

gravity

55.

It takes more force to accelerate the Iron man on the left than the Iron man on the right because the Iron man on the left has more mass. This best describes

a)

Newton's first law, the law of inertia

b)

Newton's second law, the law of acceleration

c)

Newton's third law, the law of action/ reaction

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