Identical Balls Oscillate with the Same Period T on Earth

question 364

Multiple Choice

Identical balls oscillate with the same period T on Earth. Ball A is attached to an ideal spring and ball B swings back and forth to form a simple pendulum. These systems are now taken to the
Moon, where g = 1.6 m/s², and set into oscillation. Which of the following statements about these
Systems are true? (There could be more than one correct choice.)

• A) Both systems will have the same period on the Moon as on Earth.
• B) On the Moon, ball B will execute more vibrations each minute than ball A.
• C) On the Moon, ball A will execute more vibrations each minute than ball B.
• D) On the Moon, ball A will take longer to complete one cycle than ball B.
• E) On the Moon, ball B will take longer to complete one cycle than ball A.

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