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WorksheetsBook 2 Unit 2: Lesson 2 Quiz
Total questions: 34
Worksheet time: 1hrs 7mins
What is potential energy?
The energy an object has due to its position or condition.
The energy an object has due to its chemical composition.
The energy an object has due to its atomic structure.
What is kinetic energy?
The energy an object has due to its motion.
The energy an object has due its chemical composition.
The energy an object has due to its atomic structure.
When does an object have NO kinetic energy?
When it's at rest.
When it's moving very slowly.
When it has no electrical charge.
Kinetic energy depends on
mass and height
height and speed
mass and speed
mass and force
Potential energy depends on
mass and height
height and speed
mass and speed
height and force
The sum of potential energy and kinetic energy equals
work
transformation
total energy
mechanical energy
The amount of force required to move an object is called
mechanical energy
work
kinetic energy
potential energy
Energy and work are measured in
kilograms
meters
Joules
m/s
I am holding a balloon that is full of air, the balloon has
kinetic energy
potential energy
I released a balloon that was full of air and it is flying around the room, the balloon has
kinetic energy
potential energy
If a crate is moved 15 m with a force of 50 N, how much work is done?
500 Joules
375 Joules
750 Joules
500 N
which point has the most potential energy
G
F
B
A
As an object starts to slow down, ________ kinetic energy will be acting on it.
more
less
none of the above
all of the above
What type of potential energy is illustrated in picture A?
Potential
Kinetic
Chemical
Gravitational
Which is an example of potential energy?
a roller coaster speeding down a hill
the pulled back string on an archers's bow
releasing the strings on a guitar
an electric current lighting a light bulb
Which of the following is the correct equation for calculating an object's gravitational potential energy?
PE = mgh
PE = mg / h
PE = mg + h
PE = gh
Calculate the GPE of a car with a mass of 2,500,000 g that is on a hill 100 meters above sea level.
2,450,000,000 J
2,450,000 J
250,000,000 J
248 J
A cat ran through your yard. The cat has a mass of 5 kg. It is running at a speed of 5 m/s. What is the kinetic energy of the cat as it runs?
62.5 m/s
25 J
62.5 J
22.5 J
What is the mass of a ball that has a kinetic energy of 115 J and is traveling at 9 m/s?
1035 kg
23.5 kg
12.8 kg
2.84 kg
Panda lifts a set of 1250kg weights a vertical distance of 2m in a weight lifting contest. How much gravitational potential energy do the weights now have?
(g = 10m/s²)
24,500 Newtons
24,500 Joules
25,000 Joules
If Boss uses a force of 15 N and 150 Joules of work to move a box. How much was the box moved? (in meters)
2,250 m
15 m
10 m
150 m
A 5 Kg body has a Kinetic energy of 250 J. What is the velocity(speed) of the body? (Remember to "square root")
10 m/s
100 m/s
10 N
100 N
How could you increase the gravitational potential energy of an object without changing its mass and gravity?
Make the object larger
Lower the object towards the ground
Raise the object farther off the ground
Allow the object to roll on the ground
How could you increase the object's gravitational potential energy (GPE) without changing its distance from the ground (height) and gravity?
Decrease the object's mass
Increase the object's height
Increase the object's mass
Decrease the object's height
What is the value of the Earth's acceleration due to gravity (g)?
9.8 m/s2
100 m/s2
25 m/s2
3.14 m/s2
What is the gravitational potential energy (GPE) of a 3 kilogram book that is 10 meter above the ground?
9.8 Joules
294
294 J
11.8 m/s2
Calculate the potential energy of a car with a mass of 250 kg that is on a hill 10 meters above sea level. (g = 8.9 Nkg-1)
24,500 J
2,500 J
22,250 J
250,000 J
Ara kicks a football with a mass of 2.1 kg. The ball leaves the ground moving 30 meters per second. What is the kinetic energy of the football? (KE = 1/2mv2)
567 J
900 J
945 J
30 J
If the 3 kg marble was moving at 0.6 m/s at the bottom of the ramp, how much kinetic energy did the marble have? (KE = 1/2mv2)
5.4 J
0.54 J
54 J
5.4 N
A exercise ball is on a table 2.5 m above the ground. What is the mass of the ball if it has a GPE of 56.8 J?
(First find "g x h")
71 kg
22.72 kg
142 kg
2.32 kg
What type of potential energy is illustrated in picture B?
Elastic
Kinetic
Chemical
Gravitational
What type of potential energy is illustrated in picture C?
Elastic
Kinetic
Chemical
Gravitational
