AP Physics Test: Circular Motion And Gravitation! Trivia Quiz

5 Questions | Total Attempts: 166

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AP Physics Test: Circular Motion And Gravitation! Trivia Quiz

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Questions and Answers
  • 1. 
    In the figure above, according to Kepler’s laws of planetary motion,
    • A. 

      A1 = A2.

    • B. 

      Delta t1 > delta t2.

    • C. 

      If delta t1 = delta t2, then the orbit is circular

    • D. 

      If delta t1 = delta t2, then A1 = A2.

  • 2. 
    The equation for the speed of an object in circular orbit is to the left.  What does m represent in this equation?
    • A. 

      The mass of the sun

    • B. 

      The mass of Earth

    • C. 

      The mass of the central object

    • D. 

      The mass of the orbiting object

  • 3. 
    How would the speed of Earth’s orbit around the sun change if Earth’s mass increased by 4 times?
    • A. 

      It would increase by a factor of 2.

    • B. 

      It would increase by a factor of 4.

    • C. 

      It would decrease by a factor of 2.

    • D. 

      The speed would not change.

  • 4. 
    How would the speed of Earth’s orbit around the sun change if Earth’s distance from the sun increased by 4 times?
    • A. 

      It would increase by a factor of 2.

    • B. 

      It would increase by a factor of 4.

    • C. 

      It would decrease by a factor of 2.

    • D. 

      The speed would not change.

  • 5. 
    The law of planetary motion that relates the speed of a planet to its position in its orbit about the Sun is:
    • A. 

      Kepler's first law

    • B. 

      Kepler's third law

    • C. 

      The Law of Equal Areas

    • D. 

      The Law of Inertia

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