wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

energy and momentum review

Total questions: 168

Worksheet time: 42hrs 0mins

Name
Class
Date
1.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
2.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
3.
As mass increases, KE ...
a)
increases
b)
decreases
c)
stays the same
4.
Which has a greater impact on KE?
a)
mass
b)
velocity
5.

The amount of Potential Energy that each skier possesses is equal to

a)

the mass of the skier but not the weight of the skier

b)

the work it took to get each skier to the top of the ramp

c)

the mass and weight of the skier

d)

the momentum of the skier

6.

The amount of Potential Energy that each skier possesses is equal to

a)

the mass of the skier but not the weight of the skier

b)

kinetic energy that the skier will have at the bottom of the slope

c)

the mass and weight of the skier

d)

the impulse of the skier multiplied by the change in velocity

7.

This car has a mass of 1250 kg. What is the weight of this car?

a)

There are approximately 4 kg in a newton. It is approximately 310 newtons.

b)

The car is in free fall. It is weightless.

Sort of.

c)

There are four pounds in a kilogram. It is 5000 pounds.

8.
The SI unit in which kinetic energy is measured is 
a)
Newton
b)
Kilogram
c)
Joules
d)
Metres per second
9.
If the mass of an object on Earth is 18 grams, what would the mass of the same object be on the Moon?
a)
18 g
b)
4 g
c)
0 g 
d)
32 g 
10.
A measure of how much matter an object has is--
a)
weight
b)
gravity
c)
mass
d)
volume
11.

A child with a mass of 23 kg rides a bike with a mass of 5.5 kg at a velocity of 4.5 m/s to the south. Compare the momentum of the child with the momentum of the bike.

a)

Both the child and the bike have the same momentum

b)

the bike has a greater momentum than the child

c)

the child has a greater momentum than the bike

d)

neither the child nor the bike has momentum

12.

A roller coaster climbs up a hill at 4 m/s and then zips down the hill at 30 m/s. The momentum of the roller coaster

a)

is greater up the hill than down the hill

b)

is greater down the hill than up the hill

c)

remains the same throughout the ride

d)

is zero throughout the ride

13.

The impulse experienced by a body is equivalent to the body's change in

a)

velocity

b)

kinetic energy

c)

momentum

d)

force

14.

In a two-body collision,

a)

momentum is always conserved

b)

kinetic energy is always conserved

c)

neither momentum nor kinetic energy is conserved

d)

both momentum and kinetic energy are always conserved

15.
A girl on a motorbike passes by at a speed of 15 m/s. Her mass is 40 kg. What is her kinetic energy? 
a)
300 Joules
b)
600 Joules
c)
950 Joules
d)
4500 Joules
16.
Calculate the potential energy of a roller coaster at the top of a 72 m hill that has a mass of 112 kg.
a)
79,027 J
b)
790,720 J
c)
7,020 J
d)
790,700 J
17.
Which skier has the greatest kinetic energy?
a)
Skier A
b)
Skier B
c)
Skier C
d)
Skier D
18.
Calculate the kinetic energy of a truck that has a mass of 2900 kg and is moving at 55 m/s.
a)
4,386,250 J
b)
159,500 J
c)
79,750 J
d)
8,772,500
19.
A cinder block is sitting on a platform 20 m high. It has a mass of 8 kg. Calculate the potential energy of the cinder block.
a)
1,568 Joules
b)
160 Joules
c)
3 Joules
d)
28 Joules
20.

True or false: Energy cannot change from one type to another.

a)

True

b)

False

21.

Which has more gravitational energy?

a)

A snowboarder at the top of a mountain

b)

A person laying on the beach

22.

Energy that is stored is called...

a)

Kinetic Energy

b)

Potential Energy

c)

Mechanical Energy

d)

Thermal Energy

23.

At which point of the roller coaster is potential energy the greatest?

a)

W

b)

X

c)

Y

d)

Z

24.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

25.
is the energy possessed by an object because of its motion.
a)
Power
b)
Force 
c)
energy
d)
kinetic energy
26.

At which position does the cart have the MOST potential energy?

a)

A

b)

B

c)

C

d)

D

27.

At which position is kinetic energy the greatest?

a)

W

b)

X

c)

Y

d)

Z

28.

Which of the following BEST describes the change in energy that occurs as a roller coaster travels from position X to position Y?

a)

Kinetic energy increases while potential energy decreases.

b)

Kinetic energy decreases while potential energy increases.

c)

Kinetic energy increases and potential energy increases.

d)

There is no change in energy.

29.

Which of the following BEST describes the change in energy that occurs as a roller coaster travels from position Y to position Z?

a)

Kinetic energy increases while potential energy decreases.

b)

Kinetic energy decreases while potential energy increases.

c)

Kinetic energy increases and potential energy increases.

d)

There is no change in energy.

30.
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball. 
a)
55 kg*m/s
b)
100 kg*m/s
c)
250 kg*m/s
d)
500 kg*m/s
31.
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
32.
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
33.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
34.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
35.
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
36.
A 9 kg blob moving at 5 m/s collides and sticks to a second blob with a mass of 5 kg. If the two bobs stick together, what will the velocity of the two blobs move at?
a)
3.57 m/s
b)
3.2 m/s
c)
10.0  m/s
d)
9.0  m/s
37.

A massive object will always have more momentum than a smaller object.

a)

True

b)

False

38.

An object had a pi of 30kgm/s and ended with a pf of 40 kgm/s. What was the impulse?

a)

2 kg m/s

b)

10 kg m/s

c)

70 kg m/s

d)

5 kg m/s

39.

An object has Pi of 20kgm/s ends up with a Pf of 40kgm/s. How long would a 5N force needed to act?

a)

3s

b)

8s

c)

7s

d)

4s

40.

A 80kg woman skates towards a stationary child of mass 40 kg. She picks the child up. Calculate the new velocity of the woman and child.

a)

3m/s

b)

5m/s

c)

1m/s

d)

4m/s

41.

A force of 10 N is applied at an angle of 60o to the horizontal. If the distance moved by the box is 30m, calculate the work done.

a)

30J

b)

300J

c)

40J

d)

150J

42.

What is the kinetic energy at point C?

a)

200J

b)

100J

c)

300J

d)

20J

43.

A 60 kg box is lifted by a rope a distance of 10 meters straight up at constant speed. How much power is required to complete this task in 5 seconds?

a)

5880 J

b)

1176 W

c)

5880 W

d)

1176 J

44.

A 1000 kg car is driving at 25 m/s. Determine its kinetic energy.

a)

312,500 J

b)

12,500 J

c)

25,000 J

d)

625,000 J

45.

A spring with constant of 1500 N/m is stretched 20 cm from its rest position. Determine the energy stored in the spring.

a)

30 J

b)

300,000 J

c)

150 J

d)

15,000 J

46.

The kinetic energy of and object with mass m and speed v is Ek. The mass is now double but the velocity is halved. What is the new kinetic energy of the object?

a)

Ek

b)

Ek/2

c)

Ek/4

d)

2Ek

47.

The tendency of matter to resist a change in motion is...

a)

inertia/Newton's 1st Law

b)

gravity

c)

velocity

d)

kinetic energy

48.

The scientific law that states "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

49.

The force that happens when two surfaces rub against each other (and it opposes motion)

a)

kinetic energy

b)

rolling friction

c)

gravitational potential energy

50.

Stored energy, resulting from an object's position or shape.

a)

acceleration

b)

kinetic energy

c)

potential energy

51.

The scientific law that "acceleration depends on the net force acting on the object and on the object's mass."

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

52.

The distance an object travels in a certain period of time, without regard to direction, is ...

a)

motion

b)

velocity

c)

speed

d)

acceleration

53.

The force that pulls objects toward each other (depends on the objects' mass and distance from each other) is ...

a)

kinetic energy

b)

velocity

c)

gravity

54.

A change in velocity

a)

motion

b)

acceleration

c)

potential energy

d)

friction

55.

A change in position

a)

motion

b)

acceleration

c)

potential energy

d)

friction

56.

The force at the top of a roller coaster hill, before it starts to descend is:

a)

gravitational velocity

b)

gravitational kinetic energy

c)

gravitational potential energy

57.

The force at the end of a roller coaster, after it has completed all the loops and hills, and is coming back into the station ...

a)

acceleration

b)

velocity

c)

deceleration

d)

rolling friction

58.
Stored energy.
a)
Potential Energy
b)
Kinetic Energy
59.
The energy of motion.
a)
Potential Energy
b)
Kinetic Energy
60.
Kinetic energy is related to 
a)
position or height of an object
b)
speed of an object
61.
Potential energy is related to 
a)
position or height of an object
b)
speed of an object
62.
a)
Potential Energy
b)
Kinetic Energy
63.
a)
Potential Energy
b)
Kinetic Energy
64.
a)
Potential Energy
b)
Kinetic Energy
65.
a)
Potential Energy
b)
Kinetic Energy
66.
a)
Potential Energy
b)
Kinetic Energy
67.
a)
Potential Energy
b)
Kinetic Energy
68.
a)
Potential Energy
b)
Kinetic Energy
69.
a)
Potential Energy
b)
Kinetic Energy
70.
a)
Potential Energy
b)
Kinetic Energy
71.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
72.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
73.
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 
74.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
75.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
76.
What energy is pulling an arrow back 
a)
kinetic energy
b)
potential energy
c)
energy
77.
A 0.40 kilogram bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy ?
a)
3.2 J
b)
4.2 J
c)
2.0 J
d)
12.8 J
78.
A 60.0 kg person walks from the ground to the roof of a 74.8 m tall building. How much gravitational potential energy does she have at the top of the building?
a)
43982.4 J
b)
63982.3 J
c)
43962.4 J
d)
83942.4 J
79.
A 50.0 kg wolf is running at 10.0 m/s. What is the wolf's kinetic energy?
a)
1500 J
b)
2.250 J
c)
2500 J
d)
3500 J
80.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
81.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
82.
Where would a person have to be located to have the minimum gravitational potential energy?
a)
up on the roof
b)
down in the basement
c)
in the middle
d)
outside
83.

The formula for calculating the gravitational potential energy in an object is shown above. Which object will have the largest value for its GPE

a)
b)
c)
d)
84.

How high must a 20kg box be lifted to give it 784J of potential energy?

a)

3.98 km

b)

392 m

c)

3.92 m

d)

3

85.
Potential energy that depends on height is called
a)
kinetic energy
b)
gravitational potential energy
c)
elastic potential energy
d)
mechanical energy
86.
Which of the following has kinetic energy?
a)
a rock poised for a fall
b)
a stretched rubber band
c)
a rolling bowling ball
d)
a car waiting at a red light
87.
Which 2 letters have the most kinetic energy
a)
W & Y
b)
X & Z
88.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
89.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
90.

At which position does the child on the swing have the most gravitational potential energy?

a)

W

b)

X

c)

Y

d)

Z

91.
Energy stored in the bonds between atoms
a)
chemical energy
b)
mechanical energy
c)
kinetic energy
d)
nuclear energy
92.
Energy stored in an atom's nucleus
a)
chemical energy
b)
mechanical energy
c)
kinetic energy
d)
nuclear energy
93.
Energy stored in a flexed or compressed object
a)
gravitational potential energy
b)
mechanical energy
c)
kinetic energy
d)
elastic potential energy
94.
Energy of motion
a)
gravitational potential energy
b)
mechanical energy
c)
kinetic energy
d)
elastic potential energy
95.
Potential energy due to gravity
a)
gravitational potential energy
b)
mechanical energy
c)
kinetic energy
d)
elastic potential energy
96.
Energy in the form of waves that can move through space
a)
gravitational potential energy
b)
electromagnetic energy
c)
sound energy
d)
elastic potential energy
97.
Energy in the form of waves that move through a medium like air or water
a)
gravitational potential energy
b)
electromagnetic energy
c)
sound energy
d)
elastic potential energy
98.
Energy of moving electrons
a)
electrical energy
b)
electromagnetic energy
c)
sound energy
d)
mechanical energy
99.
Energy of vibrating particles
a)
electrical energy
b)
thermal energy
c)
sound energy
d)
mechanical energy
100.
Kinetic energy + potential energy
a)
electrical energy
b)
thermal energy
c)
sound energy
d)
mechanical energy
101.
Stored energy
a)
electrical energy
b)
kinetic energy
c)
potential energy
d)
mechanical energy
102.
The ability to do work
a)
energy
b)
kinetic energy
c)
potential energy
d)
mechanical energy
103.
At which point(s) on the roller coaster is the gravitational potential energy at its maximum?
a)
A
b)
B
c)
C
d)
D
104.
At which point(s) on the roller coaster is the kinetic energy at its maximum?
a)
A
b)
B
c)
C
d)
D
105.
In diagram 2, if the mass of the car is 600 kg, what is the change in potential energy from point A to point B?
a)
411,600 J
b)
294,000
c)
176,400 J
d)
117,600 J
106.
In diagram 2, if the 600 kg cart is initially at rest, what is its velocity at point B?
a)
19.8 m/s
b)
15.0 m/s
c)
10.3 m/s
d)
3.8 m/s
107.

1. A ball has a 17 J of kinetic energy and its mechanical energy is 25 J. If the ball has a mass of 3.2 kg, what is its height above the ground?

a)

0.26 m

b)

0.52 m

c)

5.2 m

d)

25 m

108.

The given graph shows the releation between gravitional potential energy & height . If the mechanical energy at height A= 0.49 what is the kinetic energy

a)

0.10 j

b)

0.01 j

c)

0.5 j

d)

0.49 j

109.
What is mechanical energy?
a)
It is what metal creates when heated.
b)
All potential and kinetic energy in a system.
c)
It is motion of all matter.
d)
Energy of momentum.
110.
What does the Law of Conservation of Energy state?
a)
Energy cannot be created or destroyed
b)
Nothing can exchange energy
c)
Energy will increase over time.
d)
Energy will decrease over time.
111.
Is energy always conserved?
a)
Always
b)
Often
c)
Never
d)
Sometimes
112.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
113.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
114.
Work is:
a)
A transfer of energy by a force to move and object
b)
Something you get paid for
c)
Something you take home
d)
Makes you sweat
115.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
116.
The formula for work is:
a)
d = r x t
b)
p = m x v
c)
f = m x a
d)
w = d x f
117.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
118.
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
119.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
120.
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
121.
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
122.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
123.
Which of the following has the greatest momentum? 
a)
a scurrying cockroach
b)
a parked semi-truck
c)
more information is needed
124.
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
125.
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.
126.
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
127.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
128.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
129.
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
130.
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
131.
Which of the following has more momentum? 
a)
a moving SUV
b)
a moving semi-truck
c)
more information is needed
132.
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball. 
a)
55 kg*m/s
b)
100 kg*m/s
c)
250 kg*m/s
d)
500 kg*m/s
133.

2 balls collide and bounce off of each other. During the collision total momentum remained constant and total kinetic energy remained constant. What type of collision is this?

a)

Inelastic Collision

b)

Elastic Collision

c)

Perfectly Inelastic Collision

d)

No collision occurred

134.

A BMW rear ends a car at the stop light. Neither car sticks together. The momentum was conserved in the collision but the kinetic energy was not conserved. What type of collision is this?

a)

Elastic Collision

b)

Inelastic Collision

c)

Perfectly inelastic Collision

d)

No Collision

135.

A piece of silly putty is dropped onto a skateboard as it rolls by. The putty sticks to the skateboard and moves the direction the board is moving. What type of collision is this?

a)

Inelastic collision

b)

Elastic Collision

c)

Perfectly Inelastic collision

d)

No collision

136.

If a collision is elastic which of the following must be true?

a)

Momentum is not conserved

b)

The objects are in an open system

c)

The total momentum is equal to 0

d)

Kinetic Energy is conserved

137.

If a collision is inelastic which of the following must be true?

a)

the total momentum of the system is conserved

b)

The total momentum of the system is not conserved

c)

The total momentum of the system is 0

d)

The total kinetic energy of the system is conserved

138.

If there is a perfectly inelastic collision, which of the following must be true?

a)

The total momentum of the system is 0

b)

The total kinetic energy of the system is conserved

c)

The objects stick together after colliding

d)

The total momentum of the system is not conserved

139.

Two carts collide. They stick together and continue moving. Is momentum conserved in this interaction?

a)

Yes

b)

No

140.

Two carts collide. They stick together and continue moving. Is total kinetic energy conserved in this interaction?

a)

Yes

b)

No

141.

Two metal balls collide in an elastic collision. Is momentum conserved in this collision?

a)

Yes

b)

No

142.

Two metal balls collide in an elastic collision. Is total kinetic energy conserved in this collision?

a)

Yes

b)

No

143.

Two cars collide in a car crash. During the crash the cars bumpers became dented and some thermal energy was given off in the crash. Was momentum conserved in the crash?

a)

No

b)

Yes

144.

Two cars collide in a car crash. During the crash the cars bumpers became dented and some thermal energy was given off in the crash. Was Total Kinetic Energy conserved in the crash?

a)

No

b)

Yes

145.
A person sits on a freely spinning lab stool that has no friction in its axle. When this person extends her arms,
a)
her moment of inertia increases and her angular speed decreases.
b)
her moment of inertia decreases and her angular speed increases.
c)
her moment of inertia increases and her angular speed increases.
d)
her moment of inertia increases and her angular speed remains the same.
146.
A merry-go-round spins freely when Diego moves quickly to the center along a radius of the merry-go-round. As he does this, it is true to say that
a)
the moment of inertia of the system increases and the angular speed increases.
b)
the moment of inertia of the system decreases and the angular speed remains the same.
c)
the moment of inertia of the system decreases and the angular speed decreases.
d)
the moment of inertia of the system decreases and the angular speed increases.
147.

A uniform solid cylinder with a radius of 10 cm and a mass of 3.0 kg is rotating about its center with an angular speed of 33.4 rpm. What is its kinetic energy? (Hint: I=1/2 MR2)

a)

0.092 J

b)

17 J

c)

1.1 J

d)

0.18 J

148.
Which of these gives rotational kinetic energy?
a)
a
b)
b
149.
What does this formula measure?
a)
moment of inertia
b)
impulse
c)
electric current
d)
angular momentum
150.
According to the Law of Conservation of Angular Momentum, if I (momentum of inertia) increases, what will happen to ω?
a)
Decrease
b)
Stay the same
c)
Increase
151.
Two children, Ahmed and Saleh, ride on a merry-go-round. Ahmed is at a greater distance from the axis of rotation than Saleh. Which of the following are true statements? 
a)
Saleh and Ahmed have the same tangential speed.
b)
Ahmed has a greater tangential speed than Saleh.
c)
Saleh has a greater angular speed than Ahmed.
d)
Saleh has a smaller angular speed than Ahmed.
152.

When submitted to a net torque of 6.2 Nm, the

wheel of a scooter increases its angular speed from 1.4 rad/s to 4.7 rad/s in 4.5 s. What is the rotational inertia of the wheel?

a)

2.2 N.m2

b)

3.8 N.m2

c)

4.5 N.m2

d)

8.5 N.m2

153.

The angular momentum of an object changes from 9.0 𝑘𝑔𝑚!/𝑠 to 6.0 𝑘𝑔𝑚!/𝑠 in 10 s. What is the torque causing the change?

a)

0.3 Nm

b)

1.3Nm

c)

2.5Nm

d)

4.1Nm

154.

A windmill has an initial angular momentum 𝑜𝑓 8500 𝑘𝑔𝑚!/𝑠. The wind picks up, and 5.86 𝑠 later the windmill’s angular momentum is 9700 𝑘𝑔𝑚!/𝑠. What was the torque acting on the windmill, assuming it was constant during this time?

a)

100 N.m

b)

200 N.m

c)

250 N.m

d)

280 N.m

155.
A girl on a motorbike passes by at a speed of 15 m/s. Her mass is 40 kg. What is her kinetic energy? 
a)
300 Joules
b)
600 Joules
c)
950 Joules
d)
4500 Joules
156.
Calculate the potential energy of a roller coaster at the top of a 72 m hill that has a mass of 112 kg.
a)
79,027 J
b)
790,720 J
c)
7,020 J
d)
790,700 J
157.
At what position does the pendulum have the greatest gravitational potential energy?
a)
Position D
b)
Position C
c)
Position B
158.
At what position does the pendulum have the greatest kinetic energy?
a)
Position D
b)
Position C
c)
Position B
159.
Which character has the greatest gravitational potential energy?
a)
Character A
b)
Character B
c)
Character C
d)
Character D
160.
Which skier has the greatest kinetic energy?
a)
Skier A
b)
Skier B
c)
Skier C
d)
Skier D
161.
Calculate the kinetic energy of a 2 kg rock that rolls down the hill with a velocity of 8 m/s.
a)
64 Joules
b)
16 Joules
c)
128 Joules
d)
8 Joules
162.
Calculate the kinetic energy of a truck that has a mass of 2900 kg and is moving at 55 m/s.
a)
4,386,250 J
b)
159,500 J
c)
79,750 J
d)
8,772,500
163.
Barry Bonds swings a bat which has a mass of 1.5 kg at a velocity of 55 m/s. How many joules of kinetic energy could he give to a baseball?
a)
2269 Joules
b)
83 Joules
c)
41 Joules
d)
4 Joules
164.
Calculate the kinetic energy of a car which has a mass of 1000 kg and is moving at the rate of 20 m/s.
a)
200,000 Joules
b)
20,000 Joules
c)
10,000 Joules
d)
40,000 Joules
165.
Calculate the potential energy of a rock with a mass of 55 kg while sitting on a cliff that is 27 m high.
a)
14,553 Joules
b)
1,485 Joules
c)
2 Joules
d)
743 Joules
166.
A cinder block is sitting on a platform 20 m high. It has a mass of 8 kg. Calculate the potential energy of the cinder block.
a)
1,568 Joules
b)
160 Joules
c)
3 Joules
d)
28 Joules
167.
There is a bell at the top of a tower that is 45 m high. The bell has a mass of 20 kg. Calculate the potential energy of the bell. 
a)
8,820 Joules
b)
900 Joules
c)
2 Joules
d)
65 Joules
168.
A 20 kg object is at a height of 20 meters. Calculate the potential energy of the object.
a)
3,920 Joules
b)
400 Joules
c)
40 Joules
d)
20 Joules