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Chapter 2 Review

Total questions: 122

Worksheet time: 4hrs 4mins

Name
Class
Date
1.
What is a force?
a)
the PUSH or PULL on an object 
b)
The MOTION an object creates
c)
The objects HITTING one another
d)
Going REALLY FAST
2.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
3.
What is the unit for FORCE? 
a)
N (Newtons)
b)
lbs (pounds)
c)
g (grams)
d)
m/s (meters per second)
4.
Which one is balanced?
a)
top
b)
bottom
c)
both
5.
Is it BALANCED? 
a)
Yes
b)
No
6.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
7.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
8.
If the net force is 0 the object will ... 
a)
CHANGES motion
b)
STAY the SAME, NOT Move
9.

How do you find the net force of this image.

a)

Add up all the arrows

b)

Add a green arrow and the orange arrow.

c)

Subtract all the arrows.

d)

Add the green arrows and subtract the orange arrow.

10.
If there are two forces going in the SAME direction, you would ...?
a)
(-) Subtract the forces
b)
(+) Add the forces
c)
Neither
d)
(x) Multiply
11.

If the boy is pulling with a force of 10 N and the girl is pushing with a force 20 N, what is the net force on the box?

a)

10 N

b)

20 N

c)

30 N

d)

0 N

12.

What type of force is this man using to move his grocery cart forward?

a)

pull

b)

push

13.

What will happen?

a)

The car will slow down

b)

The car will speed up

14.

Who wins the tug of war?

a)

The person on the left will win

b)

The people on the right will win

15.

What is the unit used when measuring force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

16.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

17.

If these teams 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.
18.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
19.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
20.

Which direction will the box move? 

a)

To the left

b)

To the right

21.
What is a Force?
a)
The distance
b)
Mass
c)
A push or pull
d)
Give me a  failing grade 
22.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
23.

This type of force between 2 surfaces rubbing on each other is _________.

a)

magnetism

b)
gravity
c)
friction
24.

Damon was testing the amount of time leaves take to fall to the ground after being tossed up into the air. What force made the leaves fall to the ground?

a)

Seasons

b)

Friction

c)

Magnetism

d)

Gravity

25.

How could you reduce the friction on the floor?

a)

Add dirt

b)

Put carpet down

c)

Pour water on it

d)

Don’t sweep

26.

Sarah and Sara were tossing the softball back and forth. Which 2 forces act on the softball when Sara missed catching it?

a)

Magnetism and friction

b)

Gravity and friction

c)

Friction and air

d)

Friction and grass

27.

An icy sidewalk will have ______ friction.

a)

More

b)

Less

28.
What type of force is shown in the picture?
a)
The Cat force
b)
Star Wars Force
c)
Unbalanced force
d)
Balanced  force
29.
What is a Force?
a)
The distance
b)
Mass
c)
A push or pull
d)
Give me a  failing grade 
30.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
31.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

32.
Balanced forces do not change the objects speed or 
a)
direction
b)
distance 
c)
time
d)
mass
33.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
34.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
35.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
36.
Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?
a)
400 N
b)
24 N
c)
0 N
d)
40 N
37.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
38.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
39.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
40.
Which one is balanced?
a)
top
b)
bottom
c)
both
41.
Who wins the tug of war with what net force?
a)
The person on the left with 20 N
b)
The person on the left with 80 N
c)
The people on the right with 20 N
d)
The people on the right with 100 N
42.

Two forces act on an object to the right at the same time. What force is required to bring the object into equilibrium?

a)

9 N to the right

b)

9 N to the left

c)

3 N to the left

d)

18 N to the left

43.
When objects remain in the same place, it is called...
a)
gravity
b)
friction
c)
balanced force
d)
unbalanced force
44.

Which one of Newton's laws is shown

a)

3rd law

b)

2nd law

c)

1st law

45.

What does this picture represent

a)

Force,magnetism,acceleration

b)

Force, money, Apples

c)

Force, Mass, Acceleration

d)

Funny, monkeys, Arrive

46.

Which one of Newton's laws are displayed

a)

2nd law

b)

1st law

c)

3rd law

47.

Which of Newton's laws is shown

a)

1st law

b)

3rd law

c)

2nd law

48.

This is Newton's 3rd law

a)

True

b)

False

49.

This is Newton's 2nd law

a)

True

b)

False

50.

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

51.

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

52.

What force slows objects down and keeps them from moving?

a)

Acceleration

b)

Gravity

c)

Friction

d)

Net Force

53.

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

54.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
55.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
56.
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.
57.
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 
d)
The law of universal gravitation
58.
The formula 
? = mass x acceleration
or 
? = m x a 
is used to find 
a)
Force
b)
Velocity
c)
Momentum
d)
Gravity
59.
For every action, there is an equal and opposite reaction.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
60.
a)
1st
b)
2nd
c)
3rd
61.
a)
1st
b)
2nd
c)
3rd
62.
What is the attractive force that exists between all objects that have mass?
a)
Weight
b)
Mass 
c)
Gravity
d)
Viscosity
63.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
64.

A squirrel sits on the ground and eats a donut. We know the forces on him must be balanced because...

a)

Forces are always balanced

b)

the squirrel is not accelerating

c)

squirrels are projectiles

d)

he's eating a donut

65.
Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?
a)
Balanced
b)
Unbalanced
66.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
67.
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 
68.
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
69.

This equation goes with which law?

a)

Newton's first law of motion

b)

Newton's second law of motion

c)

Newton's third law of motion

70.

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

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

71.

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

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

72.

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

73.
Why is it harder to push a van filled with bowling balls than it is to push a van with basketballs?
a)
The mass of the car is greater than the mass of the basketballs
b)
The mass of the bowling balls is greater than the mass of the basketballs
c)
The van with the basketballs is bigger than the van with the bowling balls
d)
It should be equally as hard to push the two vans
74.

Letting go of a balloon full of air is demonstrating Newton's ______ _______ ________ _________ because the air comes out of the back and the balloon moves forward.

a)

1st law of motion

b)

2nd law of motion

c)

3rd law of motion

d)

13th law of motion

75.
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
76.
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)
77.
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 
78.
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
79.

In referring to how much matter a body contains, we use the term:

a)

Volume

b)

Weight

c)

Mass

80.
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 
81.
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
82.
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 
83.
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
84.
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
85.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
86.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
87.

A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/sec/sec. What is its force?

a)

50 Newtons

b)

5 Newtons

c)

20 Newtons

d)

9.5 Newtons

88.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
89.
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
90.
A 260.5N unbalanced force applied to push a chair across the room causing an acceleration of 4.2 m/s2. What is the mass of the chair?
a)
62.02 kg
b)
63.69 kg
c)
263.3 kg
d)
1123.5 kg
91.

This type of force is when one object pushes or pulls on another object by touching it

a)

Applied

b)

gravity

c)

magnetic

d)

tension

92.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
93.
Name the missing force...
a)
tension force
b)
gravitational force
c)
normal force
d)
applied force
94.

SELECT ALL THAT APPLY

How are mass and weight different?

a)

mass never changes

b)

weight depends on gravity

c)

mass depends on gravity

d)

weight never changes

95.

What is acceleration due to gravity on Earth?

a)

98 m/s2

b)

9.8 m/s2

c)

0.98 m/s2

96.
If a bike has a mass of 10.5 kg, how much does it weigh on Earth?
a)
102.9 N
b)
1.07 N
c)
10.5 N
d)
0.93 N
97.
The Mars Rover Curiosity weighs 8810.2 N on Earth. Determine Curiosity's mass.
a)
899 kg
b)
86,339.96 kg
c)
0.001 kg
d)
8810.2 kg
98.
If an object weighs 35 N on Saturn, what is the mass of the object if gravity is equal to 10.44 m/s2?
a)
3.35 kg
b)
365.4 kg
c)
0.298 kg
d)
35 kg
99.

If a 75 kg TV is taken to Venus, where it weighs 665 N, what is acceleration due to gravity on Venus?

a)

8.87 m/s2

b)

49,875 m/s2

c)

0.11 m/s2

100.

An astronaut has a mass of 100 kg and has a weight of 370 N on Mars. What is the gravitational strength on Mars?

a)

37,000 m/s2

b)

3.7 m/s2

c)

0.27 m/s2

101.
How much does Captain America weigh if he has a mass of 86.18 kg?
a)
844.56 N
b)
86.18 N
c)
8.79 N
d)
0.11 N
102.
Captain America and the Avengers follow the Chitauri back to their home planet, Chitauri Prime. If gravity on Chitauri Prime is rumored to be 8.76 m/s2, how much will Captain America weigh there? (Remember, his mass is 86.18 kg)
a)
754.94 N
b)
9.84 N
c)
0.10 N
d)
86.18 N
103.
The momentum of an object depends upon the object's ___________&_____________.  
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
104.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
105.
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
106.
Determine the momentum of 1000-kg car moving southward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s south
d)
10000 kg * m/s south
107.
A 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision.  What is the velocity of the second ball after the collision? 
a)
5 m/s
b)
2.5 m/s
c)
10 m/s
d)
7.5 m/s
108.
A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. At what speed will the second boxcar move?
a)
18.6 m/s
b)
9.3 m/s
c)
7.5 m/s
d)
1.86 m/s
109.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
110.
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
a)
1 N*s
b)
6 N*s
c)
33.3 N*s 
d)
None of these
111.
The impulse is ______ the change in momentum
a)
Greater than
b)
Equal to
c)
less than
d)
always double
112.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
113.
When two objects collide, the Pbefore is ____________ the Pafter.
a)
more than 
b)
less than 
c)
equal to
d)
unrelated to
114.
Which of the following has the greatest momentum? 
a)
a scurrying cockroach
b)
a parked semi-truck
c)
more information is needed
115.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
116.
Which object listed below has the greatest momentum?
a)
A 0.05 kg object rolling at 0.2 m/s.
b)
A 0.15 kg object rolling at 2 m/s.
c)
A 0.15 kg object rolling at 1 m/s
d)
A 0.4 kg object rolling at 2 m/s.
117.
Which of the following has the least amount of momentum?
a)
An ant walking along the ground
b)
An ant at rest
c)
An elephant walking
d)
An elephant running
118.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
119.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
120.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
121.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
122.
Determine the momentum of 1000-kg car moving northward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s
d)
20000 kg * m/s north