Work in Physics
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Questions and Answers

Which of the following statements about work in physics is correct?

  • Work is the energy transferred to an object via the application of force at an angle to the displacement.
  • Work is the energy transferred to an object via the application of force along the displacement. (correct)
  • Work is the energy transferred to an object via the application of force in the opposite direction of the displacement.
  • Work is the energy transferred to an object via the application of force perpendicular to the displacement.
  • When does a force do positive work?

  • When the force is applied in the opposite direction of the displacement.
  • When the force is applied at an angle to the displacement.
  • When the force is applied perpendicular to the displacement.
  • When the force is applied in the same direction as the displacement. (correct)
  • When does a force do negative work?

  • When the force is applied at an angle to the displacement.
  • When the force is applied in the same direction as the displacement.
  • When the force is applied in the opposite direction of the displacement. (correct)
  • When the force is applied perpendicular to the displacement.
  • What is the work done by the gravitational force on a ball as it falls?

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

    What is the work done by the gravitational force on a ball thrown upwards?

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

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