Work Power Energy Basic Quiz
15 Questions I 3 Attempts I Created By crackiitjee 364 days agoThis quiz includes the topics on Work, Energy and Power. The quiz is consisting of 15 multiple-choice items, which are all conceptual. Time limit for the quiz is 15 minutes. Good luck.
| Q.1) |
Which of the following is not a unit for power?
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| Q.2) |
Car A has a mass of 1000 kg and a speed of 60 km/h, and car B has a mass of 2000 kg and a speed of 30 km/h. The kinetic energy of car A is _____.
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| Q.3) |
If an object has kinetic energy, then it also must have _____.
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| Q.4) |
A feather and a coin are dropped in the air. Each falls with equal _____. |
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| Q.5) |
When a bullet is fired from a rifle, the force on the rifle is equal to the force on the bullet. However, the energy of the bullet is greater than the energy of the recoiling rifle because the _______.
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| Q.6) |
An object that has kinetic energy must be _____. |
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| Q.7) |
An object that has potential energy has this energy because of its _____.
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| Q.8) |
An object is raised above the ground gaining a certain amount of potential energy. If the same object is raised twice as high it gains _____. |
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| Q.9) |
When an object is lifted 10 meters, it gains a certain amount of potential energy. If the same object is lifted 20 meters, its potential energy is ______. |
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| Q.10) |
Two identical arrows, one with twice the kinetic energy of the other, are fired into a hay bale. The faster arrow will penetrate _____. |
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| Q.11) |
A ball is projected into the air with 100 J of kinetic energy which is transformed to gravitational potential energy at the top of its trajectory. When it returns to its original level after encountering air resistance, its kinetic energy is _____.
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Strictly speaking, a car will burn more gasoline if the car radio is turned on. This statement is _____. |
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Two identical arrows, one with twice the speed of the other, are fired into a hay bale. The faster arrow will penetrate _____. |
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| Q.14) |
How many Joules of energy are in one kilowatt-hour?
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| Q.15) |
A feather and a coin dropped in a vacuum fall with equal _____. |
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