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WorksheetsPE & KE Review
Total questions: 13
Worksheet time: 10mins
Gravitational potential energy depends on the ________ and ________ of the object.
Mass and height
Friction and acceleration
Mass and gravity
Height and Friction
Which two factors affect an object's kinetic energy?
area and volume
mass and weight
weight and height
mass and speed
Which point represents maximum potential energy?
W
X
Y
Z
As you go up a hill…
Potential energy increases and kinetic energy decreases
Potential energy will remain constant
Kinetic energy increases and potential energy decreases
Kinetic energy will remain constant
As mass increases, kinetic energy...
increases
decreases
stays the same
Which has a greater impact on kinetic energy?
mass
velocity (speed)
Which object has the most potential energy?
A ball resting on the ground.
A ball being thrown at 100 miles per hour.
A ball on top of a refrigerator.
A ball resting on the edge of a cliff.
Ansley was drying her hair with her new blow dryer while getting ready for school in the morning. According to the law of conservation of energy, if the dryer produced 30 joules of electrical energy and it was converted to sound and heat, how much of the energy will be permanently lost?
(HINT: The joule is a unit for measuring energy.)
15 Joules
0 Joules
30 Joules
10 Joules
What is the gravitational potential energy (GPE) of a 1 kg book that is 1 m above the ground? (g=9.8 m/s2)
9.8 J
0.1 J
1.0 J
11.8 m/s2
Calculate the gravitational potential energy of a 65 kg climber on top of Mount Everest (8.8 km high). (G=9.8m/s2)
6864.3 J
5605.6 J
7206 J
None of the answers are correct
What is the KE of a football which has a mass of 0.8 kg and is kicked at a velocity of 10 m/s?
80 J
3.2 J
160 J
40 J
A rabbit of mass 3 kg walks at a hops at a speed of 0.5 m/s. Calculate its kinetic energy.
0.5 J
0.75 J
0.255 J
0.375 J
