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During summer, the balance wheel of a clock expands.what effect does this have on the...

Physics
JAMB 2008

During summer, the balance wheel of a clock expands.what effect does this have on the accuracy of the clock?

  • A. the clock gians time
  • B. the accuracy of the clock is not affected
  • C. the clock losses time
  • D. the clock stops working
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Correct Answer: Option C
Explanation

The elastic potential energy of the balance wheel reduces as the wheel expands, therefore the clock will loose time.

There is an explanation video available below.

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Explanation Video

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Join your school's WhatsApp group
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789