Work, Energy, and Conservation in Applied Physics Quiz
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Questions and Answers

What is the familiar definition of work for 1-dimensional motion along the x-axis?

  • W = F / △ x
  • W = F * △ x (correct)
  • W = Fx
  • W = △ x / F

    • In which reference frame is the work done frame dependent according to the text?

  • Both Earth and Elevator reference frames (correct)
  • Earth reference frame
  • Neither Earth nor Elevator reference frames
  • Elevator reference frame

    • What is the SI unit of work?

  • Watt
  • Newton
  • Meter
  • Joule (correct)

    • When is the value of work positive according to the text?

    <p>When force and displacement vectors are parallel</p> Signup and view all the answers

    When motion is 2-dimensional, what is true about the force and displacement according to the text?

    <p>They need not be along the same direction</p> Signup and view all the answers

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