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Physics
9th -
12thgrade
Kinetic Energy vs. Potential Energy - Test REVIEW
45 questions
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- 1. Multiple Choice____________ is the ability to cause change.EnergyForceFrictionMotion
- 2. Multiple ChoiceEnergy due to motion is ____________ energy.PotentialEnergyKineticFriction
- 3. Multiple ChoiceThe faster an object moves, the ________ kinetic energy it has.morelessnone of the aboveall of the above
- 4. Multiple Choice
__________ is stored energy.
Potential energy
Kinetic energy
None of the above
All of the above
- 5. Multiple Choice
When you are holding a book, energy is stored between the book and Earth; this type of energy is called ________ potential energy.
Kinetic
Potential
Gravitational
Friction
Elastic
- 6. Multiple Choice
Gravitational potential energy depends on the ________ and ________ of the object.
Height and mass
Friction and movement.
Mass and Movement.
Height and Friction .
Height and weight.
- 7. Multiple ChoiceWhen you stretch a rubber band, you are storing __________ energy.kineticpotentialnone of the aboveall of the above
- 8. Multiple ChoiceCalculate the KE of a moving 4 kilogram object traveling at a velocity of 3 m/s.18 J36 J12 J6 J
- 9. Multiple ChoiceA moving 10 kilogram object has 20 Joules of KE. What is its velocity?2 m/s4 m/s200 m/s10 m/s
- 10. Multiple ChoiceWhat is the mass of a moving object that has 100 Joules of KE and moves at a velocity of 2 m/s?50 kg200 kg25 kg100 kg
- 11. Multiple ChoiceAs mass increases, KE ...increasesdecreasesstays the same
- 12. Multiple ChoiceAs the velocity of an object decreases its KE will...increasedecreasestay the same
- 13. Multiple ChoiceWhich has a greater impact on KE?massvelocity
- 14. Multiple ChoiceThe Law of Conservation of Energy states thatenergy cannot be created nor destroyed, only transformed or transferredenergy can be destroyed but not createdenergy can be created but not destroyed
- 15. Multiple ChoiceCan energy be destroyed?noyes
- 16. Multiple ChoiceWhat kind of energy is in a rock at the edge of a cliff?PotentialKinetic
- 17. Multiple ChoiceEnergy can be _____________ or changed from one type to another.destroyedtransferredcreatedignored
- 18. Multiple Choice
At which point is potential energy greatest?
W
X
Y
Z
W and Y
- 19. Multiple ChoiceWhat type of energy is in this picture?KineticPotentialChemicalSound
- 20. Multiple ChoiceOn a roller coaster, where is maximum kinetic energy?At the bottom of a big hillWhen going around a cornerWhen going upside downAt the top of a big hill
- 21. Multiple ChoiceThe ability to do work ispowerenergythermalkinetic
- 22. Multiple Choice
Energy stored by things above earth (things that can fall) is what type of energy?
Chemical Potential Energy
Elastic Potential Energy
Kinetic Energy
Gravitational Potential Energy
- 23. Multiple ChoiceIn order to INCREASE the potential energy of an object, you need to:put the object lower to the groundraise the object higher
- 24. Multiple Choice
Which point has the most potential energy?
G
F
B
A
Both A and G.
- 25. Multiple Choice
Energy and work are measured in
kilograms
meters
Joules
m/s
- 26. Multiple ChoiceExplain what happens to the potential energy of a rock as it falls off the side of a cliff.The kinetic energy decreases as the potential energy increases.The kinetic energy decreases as the potential energy decreases.The potential energy decreases as the kinetic energy increases.The potential energy decreases as the kinetic energy decreases.
- 27. Multiple ChoiceHow much KE does a moving 6 kilogram object have if it moves with a velocity of 3 m/s?27 J18 J9 J2 J
- 28. Multiple ChoiceA rabbit of mass 3kg walks at a speed of 0.5m/s. Calculate its kinetic energy.0.5 J0.75 J0.255 J0.375 J
- 29. Multiple ChoiceWhat happens when the rope is cut?The Weight will fall.The potential energy is changed to kinetic energyThe kinetic energy is changed to potential energyNothing will happen
- 30. Multiple Choice
An 8kg dog chases a cat. If the dog has 400J of kinetic energy, what is the speed of the dog?
10 m/s
5 m/s
1 m/s
100 m/s
- 31. Multiple ChoiceRearrange the equation for kinetic energy to make mass the subject of the equation.m = KE/2v2m = 2KE/v2m = v2/2KEm = 2v2/KE
- 32. Multiple ChoiceRearrange the equation for kinetic energy to make velocity squared the subject of the equation.v2 = KE/2mv2 = 2m/KEv2 = 1/2 KE mv2 = 2KE/m
- 33. Multiple ChoiceRearrange the equation for kinetic energy to make velocity the subject of the equation.v = √(2KE/m)v2 = 2KE/mv = √(m/2KE)v = √(KE/2m)
- 34. Multiple Choice
What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s?
676 J
3.25 J
17J
338 J
- 35. Multiple Choice
The world record for pole vaulting is 6.15 m. If the pole vaulter's gravitational potential energy is 4942 J, what is his mass?
82 kg
7875 kg
803 kg
.0012 kg
- 36. Multiple ChoiceIn 1993, Cuban athlete Javier Sotomayor set the world record for the high jump. The gravitational potential energy associated with Sotomayor’s jump was 1970J. Sotomayor’s mass was 82kg. How high did he jump?237.3 m15.83 km24 m2.45 m
- 37. Multiple ChoiceWith an elevation of 5334m above sea level, the village of Aucanquilca, Chile is the highest inhabited town in the world. What would be the gravitational potential energy associated with a 64kg person in Aucanquilca?3345484 J5407.8 J816.76 J72.31 J
- 38. Multiple ChoiceThe peak of the extinct volcano Volcano Chimborazo in Ecuador is the farthest point on Earth from Earth’s center. This is because Earth bulges outward due to its rotation, and this bulge is greatest at the equator, which is only about 100km north of Chimborazo. Volcano Chimborazo’s summit is 6267m above sea level. If a mountain climber with a mass of 85kg (climbing equipment included) reaches the mountain’s peak, what is the gravitational potential energy associated with the climber with respect to sea level?532695 J6361.8 J5220411 J722.54 J
- 39. Multiple Choice
The kinetic energy of a golf ball is measured to be 143.3J. If the golf ball has a mass of about 47g, what is its speed?
78.1 m/s
3367.55 m/s
152 m/s
28.86 m/s
- 40. Multiple Choice
What percentage of the potential energy is at the top of a hill on a roller coaster ride?
100%
50%
0%
20%
- 41. Multiple ChoiceWhich would have the greatest gravitational potential energy?A 4lb rat on a school deskA 45lb dog in an oak treeA 14 pound platypus on a swingA 45lb child on a bike
- 42. Multiple ChoiceRoller coasters slow down because their energy disappears.TrueFalse
- 43. Multiple Choice
Figure the PE.
mass= 3 kg
gravity= 9.8m/s2
height= 40m
1176
1716 J
1176 J
1761
- 44. Multiple Choice
How fast is a ball rolling if it contains 98 J of kinetic energy and has a mass of 4 kg?
49
7 m/s
492
7
- 45. Multiple ChoiceWhich of the following is NOT true about Potential Energy?An object's position affects its potential energyPotential energy is Stored energyPotential energy only occurs when an object is in motionAll objects have potential energy
- Answer choicesTagsAnswer choicesTags