Work And Energy Questions! Physics Trivia Quiz

5 Questions | Total Attempts: 61

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Work And Energy Questions! Physics Trivia Quiz

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Questions and Answers
  • 1. 
    Which of the following sentences uses work in the scientific sense?
    • A. 

      Stan goes to work on the bus.

    • B. 

      Anne did work on the project for 5 hours.

    • C. 

      Joseph found that holding the banner in place was hard work.

    • D. 

      An engine does work on a car when the car is moving.

  • 2. 
    A painter lifts a bucket of paint, carries it 5 m horizontally, then sets it back down. Which of the following is true?
    • A. 

      The force of gravity does negative work when the worker lifts the bucket.

    • B. 

      The painter does positive work on the bucket when carrying it horizontally at a constant speed.

    • C. 

      The painter does positive work on the bucket when setting it down.

    • D. 

      No net work is done on the bucket.

  • 3. 
    Which equation is used to calculate the work done on an object by a force at an angle, q, to the displacement?
    • A. 

      W = Fd

    • B. 

      W = Fdcos theta

    • C. 

      W = Fdsin theta

    • D. 

      W = mgsin theta

  • 4. 
    A joule is equivalent to a
    • A. 

      N.

    • B. 

      N•m.

    • C. 

      N/m.

    • D. 

      Kg•m/s2.

  • 5. 
    A parachutist falls at a constant speed for 200 m. Which of the following is true?
    • A. 

      The force of gravity is the only force doing work on the parachutist.

    • B. 

       Air resistance is the only force doing work on the parachutist.

    • C. 

      No forces are doing work on the parachutist.

    • D. 

      No network is done on the parachutist.

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