Energy Unit Practice Quiz Questions

12 Questions | By Jkvalenti2014 | Updated: Mar 18, 2022 | Attempts: 108

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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
7.

Which of the following statements about work and energy is NOT true?
- A.
  
  When work is done, energy is transferred or transformed
- B.
  
  Work and energy are always equal
- C.
  
  Facebook is better than Myspace
- D.
  
  Work and energy have the same units
8.

How are energy and work related?
- A.
  
  Energy = the ability to do work
- B.
  
  Work = transfer of energy (moves an object)
- C.
  
  BOTH are measured in Joules
- D.
  
  All of the above
9.

A boy pushes on a parked car with a force of 200N. The car does not move. How much work does the boy do?
- A.
  
  200N
- B.
  
  720N
- C.
  
  Zero
- D.
  
  None of the above
10.

Which form of energy does a plant store when light is transformed during photosynthesis
- A.
  
  Chemical
- B.
  
  Thermal
- C.
  
  Mechanical
- D.
  
  Electrical
11.

Friction causes kinetic energy to be turned into ____________.
- A.
  
  Mechanical energy
- B.
  
  Solar energy
- C.
  
  Thermal energy
- D.
  
  All of the above
12.

Which of the following is NOT an example of kinetic energy being converted to potential energy?
- A.
  
  A basketball jumping a rebound
- B.
  
  Releasing a compressed spring
- C.
  
  Pulling a sled up a hill
- D.
  
  None of the above