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WorksheetsPE and KE Practice
Total questions: 24
Worksheet time: 17mins
This ball sits at the top of the hill and later gets pushed down. For letter B (halfway down) on this diagram, how much POTENTIAL energy does the ball have? Answer with a NUMBER, not a word.
(a)
This ball sits at the top of the hill and later gets pushed down. For letter A on this diagram, how much KINETIC energy does the ball have? Answer with a NUMBER, not a word.
(a)
The faster an object moves, the _____ kinetic energy it has.
more
less
none of the above
all of the above
Energy in MOTION is ____________ energy.
Potential
Energy
Kinetic
Friction
Which letter shows where there is maximum kinetic energy?
Y
W
X
Z
What kind of energy is in a rock resting at the edge of a cliff?
Potential
Kinetic
Both potential and kinetic energy
none of the above
A rollercoaster is at rest at point A, then drops down with the force of gravity. Which point has the least kinetic energy
A
B
C
At which point does the ball has the greatest gravitational potential energy (GPE)?
A
G
D
C
B
Which would have the LEAST gravitational potential energy (GPE)?
A ball sitting on the ground
Moon viewed from the Earth
An airplane flying 30,000 feet above the ground
A rock sitting on top of Mt. Everest
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
What is the KE of a 0.8 kg football that is kicked at a velocity of 10m/s?
80 J
3.2 J
160 J
40 J
What two factors affect an object's kinetic energy (KE)?
area and volume
mass and weight
weight and height
mass and speed
Where would this tossed baseball have the least amount of kinetic energy?
point W
point X
point y
point z
Clyde and Marilyn are riding a roller coaster. During which section(s) of the track is their kinetic energy converted to potential energy?
from point B to point D only
from point A to point B and from point C to point D
from point A to point B only
from point B to point C only
Which number shows the ball with the least potential energy?
4
5
3
1
Which object will have the largest amount of potential energy?
The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?
mechanical to heat
sound to mechanical
potential to kinetic
kinetic to potential
What two factors affect an object's gravitational potential energy (GPE)?
area and volume
mass and weight
weight and height
mass and speed
What is the GPE of a 4N stone at the top of a 2m ladder?
6 J
16 J
8
8 J
What is the GPE of the 3N blue marble at point A? (GPE = weight x height)
15 Joules
9.6 J
6 Newtons
Total Mechanical Energy (ME) = PE + KE. What is NOT true about the ME of the snowboarder?
The ME = 50,000J at every single point
The total ME energy is the same - energy is neither created nor destroyed
ME decreases as the snowboarder reaches the bottom
