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Final Exam Review

Total questions: 147

Worksheet time: 1hrs 14mins

Name
Class
Date
1.
When one object is travelling with a constant velocity, its acceleration will be 
a)
decreasing
b)
increasing
c)
constant
d)
zero
2.

An airplane is flying in a positive direction with decreasing positive acceleration, hence its velocity is

a)

increasing

b)

decreasing

c)

constant

d)

indeterminate

3.
Acceleration only takes place when things speed up. 
a)
True
b)
False
4.

The slope of a velocity time graph is ________________.

a)

acceleration

b)

velocity

c)

speed

d)

displacement

5.

The slope of a position time graph is ___________

a)

velocity

b)

time

c)

acceleration

d)

displacement

6.

Which of the following is not a possible acceleration unit

a)

m/s/s

b)

mi/hr/s

c)

km/hr/s

d)

m/s

7.

A science student drops a rock down a mine shaft, what is the initial velocity

a)

0 m/s

b)

-9.8 m/s2

c)

+9.8 m/s2

d)

Can't tell from given information

8.

Which of the following lines shows the object is moving backward?

a)

A

b)

B

c)

C

d)

D

9.

Which object is traveling faster?

a)

B

b)

D

c)

C

10.
What is the best way to describe the speed of object C?
a)
Fast
b)
Moving backwards
c)
Not Moving
d)
Slow
11.
What is happening in this graph from point B to C?
a)
The object is going down a hill.
b)
The object is returning to its starting location.
c)
The object is slowing down.
d)
The object is staying still.
12.

Calculate the velocity of the object using this graph.

a)

5 m/s

b)

0.5 m/s

c)

2 m/s

d)

3 m/s

13.

In this position vs time graph, describe the object's motion between 3 and 4 seconds.

a)

At rest

b)

Slowing down

c)

Constant speed

d)

Speeding up

14.
Acceleration is the rate of change in ___________.
a)
speed
b)
distance
c)
velocity 
d)
displacement 
15.

Why does a car accelerate as it rounds a corner at a constant speed?

a)

Its direction changes

b)

It doesn't

c)

It slows down

d)

Its speeds up

16.

The SI unit for acceleration is

a)

mph

b)

ft/sec2

c)

m/s2

d)

m/s

17.

Ten seconds after starting from rest, a freely falling object on Earth will have a speed of about _____________.

a)

100 m/s

b)

500 m/s

c)

50 m/s

d)

10 m/s

18.
If you throw a ball upwards with a speed of 30 m/s, how fast will it be moving when you catch it again?
a)
0 m/s
b)
10 m/s
c)
20 m/s
d)
30 m/s
19.
When one object is travelling with a constant velocity, its acceleration will be 
a)
decreasing
b)
increasing
c)
constant
d)
zero
20.
Velocity is:
a)
speed and a specific direction
b)
the same as speed
c)
just a direction
d)
acceleration and a specific direction
21.
If you drop a feather and a coin at the same time in a vacuum tube, which will reach the bottom of the tube first?
a)
the coin
b)
the feather
c)
neither, they will both hit at the same time
d)
it depends on the length of the tube
22.
In the absence of air resistance, objects fall at constant
a)
velocity
b)
acceleration
c)
speed
d)
distance
23.
A ball is thrown upwards and caught when it returns to the same height. The speed of the ball when caught would be
a)
the same as when it was thrown
b)
more than when it was thrown
c)
less than when it was thrown
d)
unknown
24.

A ball tossed vertically upward rises, reaches it highest point, and then falls back to its starting position. During this time the acceleration of the ball is

a)

always 9.8066 downward

b)

9.8066 upward, then 9.8066 downward

c)

zero

d)

always opposite of its velocity

25.

A ball is thrown straight up. At the top of its path its velocity is...

a)

about 5m/s

b)

about 10 m/s

c)

about 20m/s

d)

0m/s

26.

A ball is thrown straight up. At the top of the path the acceleration is...

a)

- 9.8 m/s2

b)

0 m/s2

c)

+ 9.8 m/s2

d)

dependent on how long it ha been in the air.

27.

What is the unit of displacement?

a)

degrees

b)

m/s2

c)

m/s

d)

m

28.
John walks 5 km east, and then turns around and walks 8 km west. What is John's displacement?
a)
3 km; East
b)
3 km; West
c)
13 km; East
d)
13 km; West
29.
What does the slope of a distance-time graph represent?
a)
Displacement
b)
Distance
c)
Velocity
d)
Time
30.
What do you need to know to determine an object's VELOCITY?
a)
Only the distance
b)
Only the time
c)
The distance and time
d)
The distance, time, AND direction
31.
During what interval is the car's velocity zero?
a)
A
b)
B
c)
C
d)
D
32.
During what interval(s) is the car's velocity positive?
a)
A
b)
A & E
c)
A, C, & E
d)
B & D
33.
During what interval is the car accelerating?
a)
A
b)
B
c)
C
d)
D
34.
A ball is thrown vertically upward.  What is its velocity when it reaches its maximum height?
a)
+9.81 m/s
b)
-9.81 m/s
c)
0 m/s
d)
Need more information to solve
35.
Which of the following statements is true for a ball thrown vertically upward?
a)
The ball has a negative acceleration on the way up and a positive acceleration on the way down.
b)
The ball has a positive acceleration on the way up and a negative acceleration on the way down.
c)
The ball has zero acceleration on the way up and a positive acceleration on the way down.
d)
The ball has a constant acceleration throughout its flight. 
36.
Describe the motion
a)
Speeding up;    Moving in negative direction
b)
Speeding up;   Moving in positive direction
c)
Slowing down;   Moving in positive direction
d)
Slowing down;   Moving in negative direction
37.
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
38.
What is average speed?
a)
distance divided by time
b)
total distance divided by total time
c)
speed divided by time
d)
total speed divided by time
39.
When a car goes around a corner at 20 miles per hour, why do we say it  accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
40.

A swimmer increases her speed as she approaches the end of the pool. Her acceleration is...

a)

In the same direction as her motion

b)

In the opposite direction of her motion

c)

At right angles to her motion

d)

Zero

41.

Which of the following devices in a car can cause acceleration (select all that apply)

a)

Steering Wheel

b)

Brake

c)

Gas Pedal

d)

Odometer

42.

A lamp sitting on a table is demonstrating Newton's ___ Law.

a)

1st

b)

2nd

c)

3rd

d)

4th

43.

The coefficient of friction is a way to quantify...

(select all that apply)

a)

material

b)

texture

c)

temperature

d)

mass

44.

Timmy has to move a box across the floor. Which side should he slide it on to have the least friction?

a)

smallest side

b)

medium side

c)

largest side

d)

doesn't matter, all will be the same

45.

Newton's 2nd Law says the acceleration of an object depends directly on its _______ and inversely on its______. (Choose two answers)

a)

Net Force, Mass

b)

Mass, Net Force

c)

Weight, Acceleration

d)

Velocity, Net Force

46.

if an object stays still or continues moving at the same speed and in the same direction, the forces must be ____________.

a)

weak

b)

strong

c)

balanced

d)

unbalanced

47.

Net force is a combination of all ________ acting on an object.

a)

forces

b)

speeds

c)

accelerations

d)

velocities

48.

What will be the effect on the boy in the picture if the driver stops quickly?

a)

Because of inertia he will remain in the same position.

b)

He will be pushed back into the car seat.

c)

He will accelerate forward

d)

He will continue moving forward pressing against the seatbelt.

49.

Which of Newton’s Laws explains how a rocket is able to launch?

a)

Newton's First Law of Motion

b)

Newton's Second Law of Motion

c)

Newton's Third Law of Motion

d)

Newton's Law of Universal Gravitation

50.

Newton's 2nd Law states that if the net force on an object increases, the acceleration will _________________.

a)

Decrease

b)

Increase

c)

Remain constant

d)

Can't be determined

51.

Which law states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on it?

a)

1st Law

b)

2nd Law

c)

3rd Law

52.

Which activity would BEST demonstrate Newton's law of Inertia?

a)

A skateboard rider flies forward after his board hits a curb

b)

A lady pushes a grocery cart.

c)

A child jumps on a trampoline.

d)

A boy swings a baseball bat.

53.

Which activity would BEST demonstrate the Law of Action/Reaction?

a)

A car traveling down the road.

b)

You kick a table in the dark and your toe hurts

c)

A soccer ball sitting on the ground.

d)

A lady pushing a grocery cart.

54.

Which activity would BEST demonstrate the Law of Force and Acceleration?

a)

A lady pushes a grocery cart at constant velocity

b)

A boy hits a baseball

c)

A soccer ball sits on the ground.

d)

A bird flying

55.

A force that opposes motion between objects that are touching is called...

a)

motion

b)

friction

c)

velocity

d)

acceleration

56.

When there is an INCREASE in MASS of an object you will have a DECREASE in ______________.

a)

friction

b)

acceleration

c)

force

d)

gravity

57.

Mary is riding in a car when the driver suddenly slams on the brakes. Mary is jerked forward and hits the dashboard. This is caused by

a)

Momentum

b)

Inertia

c)

Impulse

d)

Force

58.

A jellyfish swims through the water by pulling in water and then pushing the water back out in the opposite direction. This is an example of which law of motion?

a)

1st Law

b)

2nd Law

c)

3rd Law

59.

Billy pushes his little brother on a sled through the snow. He then tries to push his father on the the same sled. He noticed that it was much harder to push his father. Which quantity changed that made it more difficult?

a)

Mass

b)

Coefficient of friction

c)

Applied force

d)

Velocity

60.

Which law is this picture an example of?

a)

Law of Inertia

b)

Law of Force and Acceleration

c)

Law of Action / Reaction

61.

Beth's bike remains stopped at the intersection until she begins pedaling again. Which law is this an example of?

a)

1st Law

b)

2nd Law

c)

3rd Law

62.

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

63.

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

64.

The resistance of an object to any change in its motion is called ______________________.

a)

inertia

b)

friction

c)

gravity

d)

weight

65.

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

a)

1st Law

b)

2nd Law

c)

3rd Law

66.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
67.
A Newton is a unit of...
a)
force
b)
inertia
c)
acceleration
d)
velocity
68.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
69.

An archer pulls the bowstring back, then releases the string and the arrow flies forward. The reaction force to pulling the string back is ...

a)

The string pulls on your finger

b)

The string applies force to the arrow

c)

The arrow accelerates

d)

The string pulls on the bow

70.

In the picture, the blocks are flying out of the truck based on which concept?

a)

Inertia

b)

acceleration

c)

action-reaction

d)

gravity

71.
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
72.
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)
73.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Kilograms
74.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced 
a)
12 N Right  No
b)
4 N Left  No
c)
12 N Right  Yes
d)
4 N Left  Yes
75.
You hit a wall with a stick.  The equal but opposite reaction is _____
a)
the wall pushes against you
b)
the stick pushes against you
c)
you push against the stick
d)
the wall pushes against the stick
76.
What is the acceleration of an object traveling at a constant velocity?
a)
10 m/s2
b)
0 m/s2
c)
250 m/s2
d)
20 m/s2
77.

Friction is a force that acts in a(n) ___________ direction of movement.

a)

similar

b)

opposite

c)

parallel

d)

west

78.

What does the amount of friction friction force depend on? (select ALL that apply)

a)

Weight or Normal Force

b)

Material

c)

Texture

d)

Surface Area

79.

What type of friction occurs when an object is not moving?

a)

static

b)

sliding

c)

fluid

d)

rolling

80.

How can friction be reduced?

a)

reduce the force pushing the 2 surfaces together

b)

increase the velocity

c)

use wax, grease or oil

d)

reduce the area in contact

81.

A type of friction that occurs when a swimmer tries to dive into a pool.

a)

static friction

b)

fluid friction

c)

kinetic

d)

rolling

82.
How would the absence of friction affect a marble traveling on a long, straight path?
a)
The marble’s speed would decrease.
b)
The marble’s speed would increase.
c)
The marble would stop immediately. 
d)
The marble would remain at constant speed.
83.

You replace your 6 cylinder engine with a 10 cylinder engine that doubles the force applied to your car without significantly increasing the mass. What happens to the car?

a)

It accelerates slower

b)

It accelerated faster

c)

Nothing changes

84.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
85.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
86.

While moving to college, you load the truck up with all of your belongings. What happens to the acceleration of your truck?

a)

Decrease

b)

Increase

c)

Remain constant

d)

Can't be determined

87.

Billy pushes his little brother on a sled through the snow. He then tries to push him on the grass. He noticed that it was much harder to push him on the grass. Which quantity changed that made it more difficult?

a)

Mass

b)

Coefficient of friction

c)

Applied force

d)

Velocity

88.

It's important to tie down objects in the back of your car because in a head-on accident...

a)

They will accelerate forward and hit you

b)

They will accelerate backward and hit you

c)

They will continue at a constant speed and hit you

d)

You don't want them to break

89.

Suppose Sally is pushing a box to the right with 50 N, friction is resisting with 20N, gravity pulls down with 35 N, and the floor pushed up with 35 N. Which forces directly affect the acceleration of the box?

(Select ALL that apply)

a)

Sally

b)

Gravity

c)

The Floor

d)

Friction

90.

Energy of a rock perched on a cliff is an example of...

a)

gravitational potential

b)

elastic potential

c)

chemical potential

d)

kinetic

91.

Energy from a compressed spring would be an example of...

a)

kinetic

b)

elastic potential

c)

gravitational potential

d)

chemical potential

92.
The SI unit of work is?
a)
Joules
b)
Watts
c)
Newtons
d)
meters
93.

The energy of movement is...?

a)

Kinetic

b)

Gravitational Potential

c)

Elastic Potential

d)

Chemical Potential

94.
Energy that is stored is called...
a)
Kinetic
b)
Potential 
95.
The SI unit for power is...?
a)
Watts
b)
Joules
c)
Newtons
d)
Meters
96.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
97.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
98.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
99.

After you release a stretched rubber band, the rubber band has ________ energy.

a)

kinetic

b)

elastic potential

c)

gravitational potential

d)

all of the above

100.
Why does the total amount of mechanical energy stay constant in a system?
a)
energy is not created or destroyed
b)
energy leaves
c)
energy enters
d)
energy is not converted from one form into another
101.
Niagara Falls is a good example of
a)
Kinetic energy being transformed into potential energy
b)
Potential energy being transformed into kinetic energy
c)
Energy being created
d)
Energy being destroyed
102.
 The law of conservation of energy states that when one form of energy is converted into another,
a)
Energy is destroyed in the process
b)
Energy is created in the process
c)
No energy is destroyed in the process
d)
Energy is lost in the process
103.
Which energy-conversion process occurs whenever coal is burned at a power station?
a)
chemical to nuclear
b)
chemical to sound
c)
chemical to electrical
d)
mechanical to electrical
104.
Which has the most kinetic energy?
a)
a basketball rolling down a hill
b)
a bus stopped at the top of a hill
c)
a dump truck driving down a hill
d)
a golf ball sitting at the top of the hill
105.

Which is an example of chemical energy?

a)

a horse pulling a cart

b)

a dog digesting food

c)

a marching band in a parade

106.

An example of something that stores chemical energy is

a)

lightning

b)

a microwave

c)

a match

d)

a water tower

107.
Light is an example of _________
a)
thermal energy
b)
radiant energy
c)
mechanical energy
d)
nuclear energy
108.
When you rub your hands together on a cold day, you use friction to convert
a)
Mechanical energy into thermal energy
b)
Thermal energy into nuclear energy
c)
Nuclear energy into electrical energy.
d)
Electrical energy into radiant energy
109.
When riding a roller coaster, you go up and down many hills. When do you have the maximum potential energy? 
a)
at the top of the hill
b)
as you go down each hill
c)
at the bottom of the each hill
d)
as you go up each hill
110.
When you swing a bat and hit a baseball, the ball flies into the outfield. What happens to the energy you used to swing the bat?
a)
It disappears
b)
It remains in the bat.
c)
It is transferred to the baseball.
d)
It is converted into potential energy.
111.

The energy in a battery is _______ energy.

a)

electromagnetic

b)

chemical potential

c)

elastic potential

d)

nuclear potential

112.

In which scenario is work = 0 J ?

a)

Pushing a stationary wall

b)

Pulling a trolley car

c)

Pushing a book across the table

d)

Dropping a set of keys from a height, h.

113.
What is the ability to do work? 
a)
power
b)
force
c)
time
d)
energy 
114.

A football is kicked off the ground a distance of 50 yards downfield. Neglecting air resistance, which of the following statements would be correct when the football reaches the highest point? (select all that apply)

a)

all of the balls original kinetic energy has been changed into potential energy

b)

the ball will have mostly potential but also some kinetic since it's still moving down the field

c)

the ball will have all kinetic energy at the top

d)

the work done by the kicker is equal to the energy of the ball

115.
How does an air mattress protect a stunt person landing on the ground after a stunt? 
a)
It reduces the kinetic energy loss of the stunt person.
b)
It reduces the momentum change of the stunt person.
c)
It shortens the stopping time of the stunt person and increases the force applied during the landing. 
d)
It lengthens the stopping time of the stunt person and reduces the force applied during the landing.
116.

What is an example of Nuclear energy?

a)

light from the sun

b)

fusion in the sun

c)

burning logs

d)

heat from a fire

117.

Which is an example of radiant energy? (select all that apply)

a)

light energy

b)

sound from a guitar string

c)

electrons attracting protons

d)

fission of a nuclei

118.

A fan converts _____________ to ________________ energy

a)

Electrical, mechanical

b)

Chemical, radiant

c)

Electrical, thermal

d)

Thermal, electrical

119.

An example of Chemical to Thermal energy is...

a)

burning logs

b)

turning on a fan

c)

sun energy

d)

radio

120.

What energy is given off when a cell phone rings?

a)

Radiant Energy

b)

Gravitational Energy

c)

Thermal Energy

d)

Nuclear Energy

121.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
122.

A truck has four times the mass of a car. If both are traveling at the same speed, compare their Kinetic Energy.

a)

the car has 2 times as much

b)

the truck has 16 times as much

c)

the car has 4 times as much

d)

the truck has 4 times as much

123.

A stone is held at a height h above the ground. A second stone with four times the mass of the first one is held at the same height. The gravitational potential energy of the second stone compared to that of the first stone is

a)

one-fourth as much

b)

one-half as much

c)

twice as much

d)

four times as much

124.

Friction always does negative work on an object, as it always opposes motion

a)

true

b)

false

125.

work transfers...

a)

force

b)

energy

c)

velocity

d)

effort

126.

When a pendulum swings, at which point is potential energy at its greatest?

a)

1

b)

2

c)

3

d)

4

127.

At which point is kinetic energy greatest?

a)

W

b)

X

c)

Y

d)

Z

128.
A car travels at a constant speed v up a hill from point A to point B. As the car travels from A to B, its gravitational potential energy
a)
increases and its kinetic energy remains the same
b)
remains the same and its kinetic energy decreases
c)
increases and its kinetic energy decreases
d)
remaines the same and its kinetic energy remains the same. 
129.

A waiter carries a 10 kg tray full of meals above his head by one arm straight across the room 20 m at constant speed of 2 m/s. How much work has he done?

a)

1960 J

b)

0 J

c)

20 J

d)

200 J

130.

What type of energy is in this picture?

a)

Kinetic

b)

Elastic Potential

c)

Chemical Potential

d)

Gravitational Potential

131.

What kind of energy does this device convert?

a)

Chemical to electrical

b)

Electrical to radiant

c)

Thermal to radiant

d)

Nuclear to thermal

132.

Energy that is stored in bonds between atoms is:

a)

Mechanical energy

b)

Chemical energy

c)

Thermal energy

d)

Nuclear energy

133.

What type of energy transformation takes place when you plug in a lamp and turn it on?

a)

electrical to radiant

b)

electrical to mechanical

c)

chemical to radiant

d)

mechanical to thermal

134.
When a ball accelerates down a slope, it _________________
a)
gains both kinetic energy and potential energy
b)
gains kinetic energy but loses potential energy
c)
gains potential energy but loses kinetic energy
d)
neither gains nor loses both kinetic energy and potential energy     
135.

A light plastic cart and a heavy steel cart are both pushed with the same force for a distance of 1.0 m, starting from rest. After the force is removed, the kinetic energy of the light plastic cart is ________ that of the heavy steel cart.

a)

greater than

b)

equal to

c)

less than

d)

can't say unless we know how big the force is

136.

Two identical cars are traveling to town. Car A goes 25 mph, while car B goes 50 mph. Compare their Kinetic Energy.

a)

Car B has 2 times as much

b)

Car A has 4 times as much

c)

Car A has 2 times as much

d)

Car B has 4 times as much

137.
What is the horizontal acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
138.
What is the vertical acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
139.
An object is projected horizontally from a cliff.  The time it takes to hit the ground is
a)
more than if it was just dropped
b)
less than if it was just dropped
c)
the same amount of time than if it was just dropped
d)
impossible to determine
140.
As an object travels through the air, its vertical velocity 
a)
changes continuously
b)
remains the same
141.
When a ball is projected horizontally, what is its initial vertical velocity?
a)
10
b)
0
c)
not enough information given
142.
If a bullet is horizontally shot at the same moment another bullet is dropped from the same height, which will hit the ground first?
a)
Shot Bullet
b)
Dropped Bullet
c)
Hit at Same Time
143.
Two balls of the same mass begin at a height of 2m. One is released from rest while the other begins with a horizontal velocity of 5m/s. Which object its the ground first?
a)
Ball A
b)
Ball B
c)
Both balls his the ground at the same time
d)
unable to determine with information given
144.

Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object has the greatest maximum height?

a)

A

b)

B

c)

Both objects reach the maximum height

d)

unable to determine with the given information

145.

Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object has the greatest maximum range (horizontal distance)?

a)

A

b)

B

c)

Both objects go the same distance

d)

unable to determine with the given information

146.

Suppose Lemming A runs off the edge of the cliff at 2 m/s and Lemming B runs off the edge at 1 m/s. Which will hit the ground first?

a)

A

b)

B

c)

Both at the same time

147.

In the absence of air resistance, the angle at which a thrown ball will go the farthest is?

a)

90°

b)

30°

c)

60°

d)

45°