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WorksheetsConservation of E and KE
Total questions: 13
Worksheet time: 10mins
Name
Class
Date
1.
which point has the most potential energy
a)
G
b)
f
c)
b
d)
a
2.
At which two spots does the roller coaster have the most kinetic energy?
a)
W
b)
X
c)
Y
d)
Z
3.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
4.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
5.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
6.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
7.
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
8.
What is the kinetic energy of a 4 kg shotput (see picture) thrown with a velocity of 13 m/s?
a)
676 J
b)
3.25 J
c)
17J
d)
338 J
9.
You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. How much kinetic energy does the ball have?
a)
1890 J
b)
3780 J
c)
945 J
d)
31.5 J
10.
Which of the following statements about an apple falling from a tree is true?
a)
Its kinetic energy decreases and its potential energy increases.
b)
Its potential energy decreases and its kinetic energy increases.
c)
Its kinetic and potential energies remain constant.
d)
Its mechanical energy increases.
11.
Which variable stands for change of velocity?
a)
a
b)
Δd
c)
v
d)
Δt
e)
Δv
12.
What does the Δ (delta) stand for?
a)
speed
b)
change
c)
velocity
d)
distance
13.
Change in velocity is
a)
acceleration
b)
Δd
c)
v
d)
vi −vf
e)
vf−vi
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