Energy
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Questions and Answers

Which form of energy is associated with the motion of an object?

  • Kinetic Energy (correct)
  • Mechanical Energy
  • Potential Energy
  • Transformation Energy

    • What is the source of energy for animals?

  • Sunlight
  • Fuel
  • Food (correct)
  • Electricity

    • Which of the following is NOT a condition for work to be done?

  • The object must be in motion
  • There must be a force applied
  • The object must move in the direction of the force
  • The object must be stationary (correct)

    • Which of the following is an example of potential energy?

    <p>A stretched rubber band</p> Signup and view all the answers

    Why is no work done when a person is reading or thinking?

    <p>Because work can only be done on physical objects</p> Signup and view all the answers

    Why is the work done zero when a man tries to push a stationary wall?

    <p>Because the wall is stationary</p> Signup and view all the answers

    What is the unit of power?

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

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