Physics

9th -

12thgrade

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AP Physics 1 Work/Energy Review

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14 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    A baguette is dropped off the top of the Eiffel Tower. What is true concerning of the mechanical energy of the ball as it falls?

    The potential energy of the baguette is conserved as it falls.

    The sum of the kinetic and potential energies of the baguette is a constant.

    The kinetic energy of the baguette is conserved as it falls.

    A) The total energy of the object increases as it falls since it gains speed.

  • 2. Multiple Choice
    30 seconds
    1 pt
    Image

    A spring is compressed by a force F against a wall as shown. Which of the following describes the sign of work done by the spring as it is being compressed?

    The spring does positive work since it is gaining potential energy.

    The spring does zero work since all the work is done by force F.

    The spring does negative work since it applies a force against the direction of its compressing motion.

    The spring works part-time at Chik Fil-A.

  • 3. Multiple Choice
    30 seconds
    1 pt

    In which of the following situations is kinetic energy decreasing?

    A lit tinsel llama is dropped from a building.

    A satellite is moving in a circular orbit around the moon.

    A baseball is headed upward after being thrown up in the air.

    An elevator is moving upward at a constant velocity.

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