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Work
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Work

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Questions and Answers

Which of the following is the formula for work?

  • W = F + d
  • W = Fd (correct)
  • W = F / d
  • W = F - d

    • Work is a scalar quantity because it

  • has only direction and no magnitude
  • has both magnitude and direction
  • has neither magnitude nor direction
  • has only magnitude and no direction (correct)

    • If there is no displacement, what can we say about the work done?

  • Work is done irrespective of the force
  • Work is done only if the force is large
  • Work is done irrespective of the displacement
  • No work is done (correct)

    • What is the component of force in the direction of displacement?

    <p>F cosθ</p> Signup and view all the answers

    What must be present for work to be done?

    <p>A force and motion or displacement in the direction of the force</p> Signup and view all the answers

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