Work and Force
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Questions and Answers

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

  • Work is the energy transferred to an object via the application of force along a displacement. (correct)
  • Work is the force applied to an object multiplied by the distance traveled.
  • Work is the energy transferred to an object via the application of force perpendicular to the displacement.
  • Work is the force applied to an object divided by the distance traveled.

    • If a ball is thrown upwards, what is the work done by the gravitational force?

  • Positive
  • Zero
  • Negative (correct)
  • Cannot be determined

    • What is the work done by the gravitational force on a ball as it falls?

  • Zero
  • Negative
  • Cannot be determined
  • Positive (correct)

    • When does a force do negative work?

    <p>When the force has a component opposite to the direction of the displacement.</p> Signup and view all the answers

    What is the simplest form of work for a constant force aligned with the direction of motion?

    <p>Work = force × distance</p> Signup and view all the answers

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