During summer the balance wheel of a clock expa... - JAMB Physics 2008 Question
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
correct option: c
The elastic potential energy of the balance wheel reduces as the wheel expands, therefore the clock will loose time.
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