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WorksheetsConservation of Energy
Total questions: 22
Worksheet time: 18mins
Name
Class
Date
1.
What is the unit of Potential Energy?
a)
m, mass
b)
kg, kilogram
c)
J, Joules
d)
m/s, meters/second
2.
If the Total Mechanical Energy is 50J, Potential Energy is 40 J, what is the Kinetic Energy?
a)
1 J
b)
10 J
c)
90 J
3.
What kind of energy does an object possess when it's resting on top of the hill?
a)
Potential Energy
b)
None
c)
Kinetic Energy
d)
All
4.
Which specific type of energy is at point A?
a)
Potential Energy
b)
Kinetic Energy
c)
Mechanical Energy
d)
None
5.
Which specific type of energy is at point B?
a)
Potential Energy
b)
Kinetic Energy
c)
Mechanical Energy
d)
None
6.
Which specific type of energy is at point C?
a)
Potential Energy
b)
Kinetic Energy
c)
Mechanical Energy
d)
None
7.
Which specific type of energy is at point D?
a)
Potential Energy
b)
Kinetic Energy
c)
Mechanical Energy
d)
None
8.
Which variable is always constant (doesn't change)?
a)
mass
b)
height
c)
velocity
d)
None
9.
What is the v in this equation? Choose the one with the CORRECT unit!
a)
volume (m3)
b)
velocity (m/s)
c)
velocity (m/s2)
d)
volume (v)
10.
What is the g? Choose the one with the correct unit!
a)
mass (kg)
b)
gravity (m/s)
c)
gravity (m/s2)
d)
grams (g)
11.
When the velocity of the car is given, what kind of energy can we calculate right away?
a)
Potential Energy
b)
Kinetic Energy
c)
Mechanical Energy
d)
None
12.
At the bottom of the roller coaster, what kind of energy is NEVER present?
a)
Potential Energy
b)
Kinetic Energy
c)
Mechanical Energy
d)
None
13.
At the top of the roller coaster, which energy is ALWAYS present?
a)
Potential Energy
b)
Kinetic Energy
c)
Mechanical Energy
d)
None
14.
Which equation would you use to solve for point A?
a)
(1/2)mv2
b)
mgh
c)
(1/2)mv2+mgh
15.
What is the total mechanical energy at point A if the car is 10 meters above the ground?
a)
0 J
b)
15 J
c)
50 J
d)
500 J
16.
What is the total mechanical energy at point B?
a)
0 J
b)
15 J
c)
50 J
d)
500 J
17.
What is the potential energy at point B?
a)
0 J
b)
15 J
c)
50 J
d)
500 J
18.
What is the kinetic energy at point B?
a)
0 J
b)
15 J
c)
50 J
d)
500 J
19.
Calculate the velocity of the car at point B.
a)
10 m/s
b)
14 m/s
c)
10 m/s2
d)
14 m/s2
20.
If the roller coaster is 2 meters above the ground at point C, what is its potential energy?
a)
10 m/s
b)
100 m/s
c)
10 J
d)
100 J
21.
At point C, the TME= 500 J, and its PE= 100 J, what is its KE?
a)
600 J
b)
400 J
c)
200 J
d)
100 J
22.
Calculate the velocity of the car at point C.
a)
10 m/s
b)
12 ms/
c)
13 m/s
d)
15 m/s
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