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
Verified Correct Answer: C.
Physical Principles & Numerical Solution
The elastic potential energy of the balance wheel reduces as the wheel expands, therefore the clock will loose time.
Source: WAEC / JAMB / NECO Classroom Archive (Record #14040)