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WorksheetsPotential & Kinetic Energy Review
Total questions: 18
Worksheet time: 39mins
Name
Class
Date
1.
An arrow that is pulled back by a bow has which type of energy?
a)
gravitational potential
b)
kinetic energy
c)
chemical potential
d)
elastic potential
2.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
3.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height, mass and gravitational strength
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
4.
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
5.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
6.
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
7.
A 60 kg person walks from the ground to the roof of a 80 m tall building. How much increase in gravitational potential energy is there? (Take g = 10 N/kg)
a)
600 N
b)
4800 J
c)
8000 J
d)
48,000 J
8.
A pitcher throws a 145 g baseball at a velocity of 30.00 m/s. How much kinetic energy does the ball have?
a)
65.85 J
b)
87.25 J
c)
23.45 J
d)
65.25 J
9.
Two objects with different masses are placed on the same shelf. Which object contains more energy?
a)
The object with a greater mass has more energy.
b)
The object with less mass has more energy.
c)
Both objects have the same amount of energy.
d)
Neither object has any energy because they are not moving
10.
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 m
11.
Which point has the most kinetic energy, assuming friction and air resistance are negligible?
a)
A
b)
B
c)
c
d)
D
12.
What is the unit for Kinetic Energy?
a)
Newtons
b)
Grams
c)
Joules
d)
Kanye
13.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
14.
When a pendulum swings, at which point is gravitational potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
15.
When a pendulum swings, at which point is there the most kinetic energy?
a)
1
b)
2
c)
3
d)
4
16.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
17.
The formula for calculating potential energy is ____________________________.
a)
PE=gh
b)
PE=mh
c)
PE=mgh
d)
PE=2mgh
18.
The two factors that determine kinetic energy are ____________________________ & ____________________________.
a)
mass and height
b)
height and gravity
c)
gravity and velocity
d)
mass and velocity
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