Applied Physics: Work and Energy Conservation Quiz
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Questions and Answers

What is the SI unit of work?

  • Meter
  • Coulomb
  • Newton
  • Joule (correct)

    • When is the value of work positive?

  • When force and displacement vectors are parallel (correct)
  • When force is zero
  • When force and displacement vectors are perpendicular
  • When force and displacement vectors are anti-parallel

    • In which scenario is work done frame dependent?

  • A man pushing a ball on an elevator (correct)
  • A person carrying a bag on their back
  • A person lifting a book on a table
  • A man pushing a box on the ground

    • When is the value of work negative?

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

    What is the formula for work in 1-dimensional motion along the x-axis?

    <p>$W = Fx \Delta x$</p> Signup and view all the answers

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