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2020-2021 Final Test Review

Total questions: 105

Worksheet time: 1hrs 9mins

Name
Class
Date
1.
What are balanced forces?
a)
Forces in the same direction
b)
Forces of the same size
c)
forces of the same size in opposite directions
2.
How could you make an object increase its speed?
a)
use less force
b)
use more force
c)
use no force
3.

For every action there is...

a)

An equal and opposite reaction

b)

An equal and different reaction

c)

a different force

d)

two more forces

4.

In a tug of war the left team pulls with a force of 200.0 N. The right team pulls with a force of 150.0 N.What is the net force?

a)

50.0 N to the left.

b)

350.0 N to the left.

c)

350.0 N to the right.

d)

50.0 N to the right.

5.
The force that opposes the motion of two surfaces sliding past each other is called ___________.
a)
acceleration
b)
inertia
c)
friction
d)
unbalanced
6.
What is the unit of force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
7.
What is it called when the force of gravity is acting on an object?
a)
Weight
b)
Sliding Friction
c)
Momentum
d)
Projectile Motion
8.
What is the attraction between two objects because of their mass?
a)
Inertia
b)
Gravity
c)
Gravitational Force
d)
Weight
9.

Imagine you travel to another planet that is more massive than Earth. What will change as you walk around the surface of the planet- your mass or your weight?

a)

Mass

b)

Weight

c)

Both

d)

Neither

10.
This is a rocket.The rocket pushes the fuel down.What is the other force in this interaction pair?
a)
The fuel pulls the rocket up.
b)
The fuel pushes the rocket up.
c)
The rocket pulls the earth up.
d)
The earth pulls the rocket down.
11.

On the picture the balloon pushes the air right and the balloon goes left. Which of Newton's Laws is this?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

12.

What property of an object are you calculating when you find the product of the objects mass and velocity (Mass x velocity)?

a)

Momentum

b)

Gravity

c)

Inertia

d)

Weight

13.
One object has twice as much mass as another object. The first object also has twice as much...
a)
velocity
b)
gravitational acceleration
c)
inertia
d)
all of these
14.
Which has more mass, a kilogram of feathers or a kilogram of iron? 
a)
feathers 
b)
iron
c)
neither
15.

How much does a 6.0 kg bag of bolts weigh? (w = m*g) (g = 9.81 m/s2)

a)

6.0N

b)

12.0N

c)

58.8N

d)

600.0 N

16.
Suppose two carts, one twice as massive as the other, fly apart when the compressed spring that joins them is released.  How fast does the heavier cart roll compared with the lighter cart?
a)
twice as fast
b)
the same
c)
half as fast
17.
A book rests on a table.  The force of gravity pulls down on the book with a force of 20 newtons. What prevents the books from accelerating downward at 9.8 m/sec2    
a)
The table presses back up on the book with an equal and opposite force of 20 newtons.
b)
The table presses back up on the book with a force greater than 20 newtons.
c)
The table and the book together are accelerating downwards at  9.8 m/sec2
d)
The inertia of the book holds it up
18.

Why does a bowling ball and feather hit the ground at different times when dropped from the same height?

a)

They don't; they hit the ground at the same time.

b)

One is more dense than the other.

c)

One is heavier than the other.

d)

Air resistance

19.

You push on a tree with 20.0 N of force, with how much force is the tree pushing back on you?

a)

20.0 N

b)

40.0 N

c)

10.0 N

d)

70.0 N

20.
Inertia is the tendency of an object to resist a change in its ___________. 
a)
temperature
b)
shape
c)
size
d)
motion
21.

Which is Newtons second law

a)

Force is equal to an objects mass times its acceleration (f= m x a)

b)

an object in motion stays in motion or an object at rest stays at rest unless acted on by an outside force.

c)

law of inertia

d)

For every action there is an equal and opposite reaction

22.

Ignoring friction, if you dropped a bowling ball and a golf ball from the top of a building, what would happen?

a)

The bowling ball will hit the ground first.

b)

The golf ball will hit the ground first.

c)

They will hit the ground at the same time.

d)

Air resistance will affect the bowling ball more.

23.

45.0 m/s2 is describing...

a)

Mass

b)

Force

c)

Acceleration

d)

weight

24.

What is the scientific unit used to measure weight?

a)

grams

b)

Liters

c)

Pounds

d)

Newtons

25.

Going down a hill a 12.0 kg sled has a force of 36.0 N. What is it's acceleration? ( a= f/m)

a)

2.0 m/s2

b)

3.0 m/s2

c)

I don't know

d)

What?

26.
If you slide a hockey puck on ice, eventually it will stop because of the friction of the ice. This is an example of which Law of Motion. 
a)
Newton's First Law 
b)
Newton's Second Law 
c)
Newton's Third Law 
27.

Which of Newton's Laws explains why a person not wearing a seat belt flies through a car window when someone slams on the breaks.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

28.
According to Newton's Third Law of Motion, when a hammer strikes and exerts a force on a nail, the nail
a)
disappears into the wood
b)
moves at a constant speed
c)
exerts an equal and opposite force back on the hammer
d)
creates a balanced force
29.

If an object has 25.3 kg x m/s of momentum before it hits another object, what is the total momentum of the two objects after the collision. This happens in the absence of friction.

a)

12.15 kg x m/s

b)

50.6 kg x m/s

c)

25.3 kg x m/s

d)

There is not enough information to answer this question.

30.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
31.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
32.
All objects in the universe have a gravitational attraction to each other. 
a)
True
b)
False
33.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
34.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
35.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
36.

What is defined as a push or pull?

a)

force

b)

motion

c)

vector

d)

speed

37.

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

a)

balanced

b)

unbalanced

38.
Balanced forces do not change the objects speed or 
a)
direction
b)
distance 
c)
time
d)
mass
39.

Forces that have a net force of zero.

a)

Balanced force

b)

Unbalanced force

40.

What is the net force?

a)

5000.0 N right

b)

4000.0 N right

c)

40.0 N left

d)

4000.0 N left

41.

What is the net force in this picture?

a)

50.0 Newtons to the right

b)

950.0 Newtons to the right

c)

950.0 Newtons to the left

d)

50.0 Newtons to the left

42.
Fill in the blanks: _____ does not change from place to place, but _____ can change because of differences in the strength of gravitational pull.
a)
acceleration, weight
b)
weight, acceleration
c)
mass, weight
d)
weight, mass
43.
An unbalanced force causes:
a)
change in mass
b)
acceleration
c)
balanced forces
d)
change in time
44.
The air resistance and weight as shown for the skydiver are balanced. The skydiver is probably:
a)
at rest
b)
moving at constant velocity
c)
accelerating upward
d)
accelerating downward
45.
To find an object's weight on Earth, multiply the mass by:
a)
1.6 m/s2
b)
10 N
c)
9.8 m/s2
d)
3.14
46.

This type of friction needs to be overcome in order for an object to start moving.

a)

Rolling Friction

b)

Sliding Friction

c)

Static Friction

d)

Fluid Friction

47.

What are the two variables that affect the amount friction created bewtween two surfaces?

a)

The surfaces and the type of friction.

b)

The pressure between the surfaces and the force pushing the objects.

c)

The unbalanced forces.

d)

The surfaces involved and the pressure between them.

48.

Acceleration due to gravity (g) here on Earth is...

a)

3.7 m/s2

b)

1.6 m/s2

c)

9.8 m/s2

d)

24.58 m/s2

49.

Terminal velocity is achieved when...

a)

... the object is in freefall.

b)

...when the force from air resistance equals the force from gravity.

c)

....when the force from air resistance is greater than the force from gravity.

d)

...only the force of gravity is acting on an object.

50.

Conservation of momentum explains that momentum after an incident...

a)

stays the same.

b)

decreases.

c)

increases.

d)

there is not enough information to answer the question.

51.
An object is _____ if its position changes relative to another object.
a)
in motion
b)
at reset
c)
a frame of refence
d)
magical
52.
A place or object used for comparison to determine if another object is in motion is called a
a)
comparison point
b)
reference point
c)
point of view
d)
motion detector
53.
A distance vs. time graph shows an object's
a)
frame of reference
b)
speed
c)
acceleration
d)
favorite food
54.
Speed =
a)
distance / time
b)
time / distance
c)
distance * time
55.

You walk 10.0 meters to math class in 20.0 seconds. Your average speed is

a)

2.0 m/s

b)

0.5 m/s

c)

200.0 m/s

d)

5.0 m/s

56.
On a distance-versus-time graph, a straight line ALWAYS indicates that an object’s speed is _____.
a)
constant
b)
zero
c)
increasing
d)
decreasing
57.
Change in speed over a given period of time is
a)
velocity
b)
motion
c)
speed
d)
acceleration
58.
On a distance vs. time graph, the steeper the slope _____
a)
the slower the speed
b)
the faster the speed
c)
less acceleration
d)
greater acceleration
59.
The rate at which velocity changes is called 
a)
motion
b)
average speed
c)
instantaneous speed
d)
acceleration
60.
What is the equation to find speed?
a)
s=t/d
b)
s=d x t
c)
s=d/f
d)
s=d/t
61.
What is the SI unit for acceleration?
a)
m/s
b)
m
c)
m/s2
d)
s
62.
What is the SI unit for speed
a)
Km
b)
s
c)
m/s
d)
m/s2
63.
When something has speed in a certain direction it is called ___________.
a)
motion
b)
position
c)
velocity
d)
speed
64.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
65.
The formula:
 ? = D/T with direction 
is used to find
a)
Velocity
b)
Speed
c)
Force 
d)
Acceleration
66.

The process of changing distance or position from another object

a)

reference point

b)

location

c)

acceleration

d)

motion

67.

Which would NOT make a good reference point?

a)

A house

b)

A tree

c)

A moving car

68.

The distance an object travels per unit of time (how far, how fast) is called:

a)

direction

b)

speed

c)

acceleration

d)

deceleration

69.

I want to find the average speed of a triathlon race. What steps would I take?

a)

add up total distance, add up total time, divide total distance by total time

b)

add up total distance, add up total speed, divide distance by speed

c)

Add up total time and subtract total distance

70.

Grayson walks 5.0 meters in 5.0 seconds. What is his average speed?

a)

25.0 m/sec

b)

1.0 m/sec

c)

5.0 m/sec

d)

.25 m/sec

71.

The graph shows Ashley riding her bike to Maria's house.

What is occurring from point A to point B?

a)

they are traveling at a constant speed

b)

they are decreasing in speed

c)

they stopped to take a break

72.

The graph shows Ashley riding her bike to Maria's house.

What was occurring from point B to point C?

a)

She was increasing her speed.

b)

She stopped for 4.0 minutes

c)

She was decreasing in speed

73.

The graph shows Ashley riding her bike to Maria's house.

What was her average speed for the ENTIRE trip?

a)

1600.0 m/min

b)

200.0 m/min

c)

160.0 m/min

74.

What is velocity?

a)

Time + Distance

b)

Speed in a given direction

c)

A fast dinosaur

d)

The direction a storm is moving

75.
LT5: The rate at which velocity CHANGES is: 
a)
acceleration
b)
speed
c)
direction
d)
physics
76.

Take a good look at this "Velocity vs. Time" graph. How would you describe the motion of this object?

a)

no motion

b)

Constant velocity

c)

Acceleration

d)

negative acceleration

77.

Take a good look at this "Velocity vs. Time" graph. How would you describe the motion of this object?

a)

no motion

b)

constant velocity

c)

acceleration

d)

negative acceleration

78.

Take a good look at this "Velocity vs. Time" graph. How would you describe the motion of this object?

a)

No motion

b)

Constant Velocity

c)

Acceleration

d)

Deceleration

79.
What is the best description of electrical energy?
a)
Transmitted energy
b)
A special form of heat or thermal energy
c)
potential energy in a different form 
d)
the energy flowing in an electric circui
80.

The sun’s energy used by green plants to produce food is an example of light energy being converted to what other form of energy?

a)

kinetic energy

b)

heat energy

c)

mechanical energy

d)

chemical

81.
Which kind of energy does a battery have?
a)
kinetic 
b)
potential
c)
chemical
d)
heat
82.
What form of energy comes from the sun?
a)
electrical
b)
mechanical
c)
chemical
d)
solar
83.
Which of these demonstrates kinetic energy?
a)
standing still
b)
balancing on one foot
c)
knocking over pins with a bowling ball
d)
holding a bowling ball
84.
Which has the greatest amount of potential energy?
a)
a cat chasing a mouse in the kitchen
b)
A cat standing on a dining room table
c)
A cat starting to climb a tree
d)
A cat laying under a dining room table
85.
The law of conservation of energy states...
a)
energy is hot 
b)
energy cannot be created or destroyed
c)
energy is electrical
d)
energy is work
86.
What is kinetic energy?
a)
energy of change
b)
energy of motion
c)
energy of force
d)
energy of position
87.
What is potential energy?
a)
energy of motion
b)
energy of change 
c)
energy of position
d)
energy of force
88.
A television takes electricity from either the house current or a battery and transforms it into what other forms of energy?
a)
ight and nuclear energy
b)
Electromagnetic and Mechanical energy
c)
light, sound, and heat energy
d)
light, sound, and mechanical energy
89.
What energy change happens inside a lamp?
a)
electrical energy turns into chemical energy
b)
light energy turns into electrical energy
c)
electrical energy turns into nuclear energy
d)
electrical energy turns into electromagnetic energy
90.
When you plug a radio into the wall, what type of energy conversion happens?
a)
electrical energy turns into light energy
b)
electrical energy turns into mechanical energy
c)
chemical energy turns into electrical energy
d)
sound energy turns into light energy
91.
Marcos has a new toy. When he plugs it in and turns it on, a marble iscarried up to the top of a slide. At the top, the marble is released and it goes down the slide. What kind of energy transformation occurs in this toy?
a)
electrical energy turns into sound energy and light energy
b)
electrical energy turns into potential energy into chemical energy
c)
electrical energy turns into potential energy into kinetic energy
d)
electrical energy turns into kinetic energy into solar energy
92.
A generator carries out which kind of energy transfer?
a)
electrical energy to chemical energy
b)
electrical energy to light energy
c)
heat energy to electrical energy
d)
mechanical energy to electrical energy
93.
What type of energy transfer does this heater use?
a)
radiation
b)
convection
c)
conduction
d)
transference
94.
What is the metric unit that force is measured in?
a)
watt
b)
newton
c)
amp
d)
centimeters
95.
What is the ability to do work called?
a)
force
b)
resistance
c)
movement
d)
energy
96.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
97.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
98.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
99.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
100.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
101.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
102.
What machine changes electrical energy into light and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
103.
Energy caused by the movement in the particles of matter. It is a form of kinetic energy.
a)
Nuclear energy
b)
Sound energy
c)
Light energy
d)
Thermal energy
104.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
105.
Marcos has a new toy. When he plugs it in and turns it on, a marble iscarried up to the top of a slide. At the top, the marble is released and it goes down the slide. What kind of energy transformation occurs in this toy?
a)
electrical energy turns into sound energy and light energy
b)
electrical energy turns into potential energy into chemical energy
c)
electrical energy turns into potential energy into kinetic energy
d)
electrical energy turns into kinetic energy into solar energy

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