Work in Physics Quiz
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Questions and Answers

What is the equation for work when the force F and the displacement s are constant and the angle θ between them is also constant?

  • $W = |F||s|$
  • $W = |F||s|\cos(\theta)$ (correct)
  • $W = |F||s|\sin(\theta)$
  • $W = |F| + |s| + \theta$
  • In which scenario does a force do negative work?

  • When it is applied with a greater force
  • When it has a component opposite to the direction of the displacement (correct)
  • When the displacement is zero
  • When it has a component in the direction of the displacement
  • What is the SI unit of work?

  • Newton (N)
  • Pascal (Pa)
  • Watt (W)
  • Joule (J) (correct)
  • What is the work done by the gravitational force on a ball thrown upwards?

    <p>Negative</p> Signup and view all the answers

    How is the work done calculated when both force and displacement are vectors?

    <p>By the dot product of the two vectors</p> Signup and view all the answers

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