Energy Unit Practice Quiz Questions
6 Questions
| Total Attempts: 74
Questions and Answers
- 1.What is the Law of Conservation of Energy?
- A.
A law that states that energy cannot be created nor destroyed, but can change forms
- B.
A law stating that energy must be conserved in order to delay the apocalypse (the end of the world)
- C.
A trip to Disney World
- D.
The key to the house
- 2.What is potential energy?
- A.
Energy (stored) due to position or condition
- B.
The key to the meaning of life
- C.
Sarah's high school diploma
- D.
None of the above
- 3.Releasing a compressed spring is not an example of kinetic energy being converted to potential energy
- A.
True
- B.
False
- 4.At the top of its arc, a thrown ball has _____________ potential energy
- 5.The brakes on a car exert a frictional force of 6000 N to stop the car. If the work done by the brakes is 120,000 J to stop the car, how many meters did the car travel before it stopped?
- A.
20 m
- B.
6 m
- C.
72 m
- D.
12 m
- 6.A man pushed a crate along a floor by exerting a force of 55 N. If the crate moves 4.0 m, how much work does the man do?
- A.
165 J
- B.
220 J
- C.
Zero
- D.
200J
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