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Kinetic Energy vs. Potential Energy - Test REVIEW

Total questions: 45

Worksheet time: 2hrs 6mins

Name
Class
Date
1.
____________ is the ability to cause change. 
a)
Energy 
b)
Force 
c)
Friction
d)
Motion
2.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
3.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
4.

__________ is stored energy.

a)

Potential energy

b)

Kinetic energy

c)

None of the above

d)

All of the above

5.

When you are holding a book, energy is stored between the book and Earth; this type of energy is called ________ potential energy.

a)

Kinetic

b)

Potential

c)

Gravitational

d)

Friction

e)

Elastic

6.

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 .

e)

Height and weight.

7.
When you stretch a rubber band, you are storing __________ energy. 
a)
kinetic 
b)
potential
c)
none of the above
d)
all of the above 
8.
Calculate the KE of a moving 4 kilogram object traveling at a velocity of 3 m/s.
a)
18 J
b)
36 J
c)
12 J
d)
6 J
9.
A moving 10 kilogram object has 20 Joules of KE. What is its velocity?
a)
2 m/s
b)
4 m/s
c)
200 m/s
d)
10 m/s
10.
What is the mass of a moving object that has 100 Joules of KE and moves at a velocity of 2 m/s?
a)
50 kg
b)
200 kg
c)
25 kg
d)
100 kg
11.
As mass increases, KE ...
a)
increases
b)
decreases
c)
stays the same
12.
As the velocity of an object decreases its KE will...
a)
increase
b)
decrease
c)
stay the same
13.
Which has a greater impact on KE?
a)
mass
b)
velocity
14.
The Law of Conservation of Energy states that
a)
energy cannot be created nor destroyed, only transformed or transferred
b)
energy can be destroyed but not created
c)
energy can be created but not destroyed
15.
Can energy be destroyed?
a)
no
b)
yes
16.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
17.
Energy can be _____________ or changed from one type to another.
a)
destroyed
b)
transferred
c)
created
d)
ignored
18.

At which point is potential energy greatest?

a)

W

b)

X

c)

Y

d)

Z

e)

W and Y

19.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
20.
On a roller coaster, where is maximum kinetic 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
21.
The ability to do work is
a)
power
b)
energy
c)
thermal
d)
kinetic
22.

Energy stored by things above earth (things that can fall) is what type of energy?

a)

Chemical Potential Energy

b)

Elastic Potential Energy

c)

Kinetic Energy

d)

Gravitational Potential Energy

23.
In order to INCREASE the potential energy of an object, you need to:
a)
put the object lower to the ground
b)
raise the object higher
24.

Which point has the most potential energy?

a)

G

b)

F

c)

B

d)

A

e)

Both A and G.

25.

Energy and work are measured in

a)

kilograms

b)

meters

c)

Joules

d)

m/s

26.
Explain what happens to the potential energy of a rock as it falls off the side of a cliff.
a)
The kinetic energy decreases as the potential energy increases.
b)
The kinetic energy decreases as the potential energy decreases.
c)
The potential energy decreases as the kinetic energy increases.
d)
The potential energy decreases as the kinetic energy decreases. 
27.
How much KE does a moving 6 kilogram object have if it moves with a velocity of 3 m/s?
a)
27 J
b)
18 J
c)
9 J
d)
2 J
28.
A rabbit of mass 3kg walks at a speed of 0.5m/s. Calculate its kinetic energy.
a)
0.5 J
b)
0.75 J
c)
0.255 J
d)
0.375 J
29.
What happens when the rope is cut?
a)
The Weight will fall.
b)
The potential energy is changed to kinetic energy
c)
The kinetic energy is changed to potential energy
d)
Nothing will happen
30.

An 8kg dog chases a cat. If the dog has 400J of kinetic energy, what is the speed of the dog?

a)

10 m/s

b)

5 m/s

c)

1 m/s

d)

100 m/s

31.
Rearrange the equation for kinetic energy to make mass the subject of the equation.
a)
m = KE/2v2
b)
m = 2KE/v2
c)
m = v2/2KE
d)
m = 2v2/KE
32.
Rearrange the equation for kinetic energy to make velocity squared the subject of the equation.
a)
v2 = KE/2m
b)
v2 = 2m/KE
c)
v2 = 1/2 KE m
d)
v2 = 2KE/m
33.
Rearrange the equation for kinetic energy to make velocity the subject of the equation.
a)
v = √(2KE/m)
b)
v2 = 2KE/m
c)
v = √(m/2KE)
d)
v = √(KE/2m)
34.

What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s?

a)

676 J

b)

3.25 J

c)

17J

d)

338 J

35.

The world record for pole vaulting is 6.15 m. If the pole vaulter's gravitational potential energy is 4942 J, what is his mass?

a)

82 kg

b)

7875 kg

c)

803 kg

d)

.0012 kg

36.
In 1993, Cuban athlete Javier Sotomayor set the world record for the high jump.  The gravitational potential energy associated with Sotomayor’s jump was 1970J.  Sotomayor’s mass was 82kg.  How high did he jump?
a)
237.3 m
b)
15.83 km
c)
24 m
d)
2.45 m
37.
With an elevation of 5334m above sea level, the village of Aucanquilca, Chile is the highest inhabited town in the world.  What would be the gravitational potential energy associated with a 64kg person in Aucanquilca?
a)
3345484 J
b)
5407.8 J
c)
816.76 J
d)
72.31 J
38.
The peak of the extinct volcano Volcano Chimborazo in Ecuador is the farthest point on Earth from Earth’s center.  This is because Earth bulges outward due to its rotation, and this bulge is greatest at the equator, which is only about 100km north of Chimborazo.  Volcano Chimborazo’s summit is 6267m above sea level.  If a mountain climber with a mass of 85kg (climbing equipment included) reaches the mountain’s peak, what is the gravitational potential energy associated with the climber with respect to sea level?
a)
532695 J
b)
6361.8 J
c)
5220411 J
d)
722.54 J
39.

The kinetic energy of a golf ball is measured to be 143.3J. If the golf ball has a mass of about 47g, what is its speed?

a)

78.1 m/s

b)

3367.55 m/s

c)

152 m/s

d)

28.86 m/s

40.

What percentage of the potential energy is at the top of a hill on a roller coaster ride?

a)

100%

b)

50%

c)

0%

d)

20%

41.
Which would have the greatest gravitational potential energy?
a)
A 4lb rat on a school desk
b)
A 45lb dog in an oak tree
c)
A 14 pound platypus on a swing
d)
A 45lb child on a bike
42.
Roller coasters slow down because their energy disappears.  
a)
True 
b)
False
43.

Figure the PE.

mass= 3 kg

gravity= 9.8m/s2

height= 40m

a)

1176

b)

1716 J

c)

1176 J

d)

1761

44.

How fast is a ball rolling if it contains 98 J of kinetic energy and has a mass of 4 kg?

a)

49

b)

7 m/s

c)

492

d)

7

45.
Which of the following is NOT true about Potential Energy?
a)
An object's position affects its potential energy
b)
Potential energy is Stored energy
c)
Potential energy only occurs when an object is in motion
d)
All objects have potential energy

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