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← HistoryWhich mechanical motion results when a geared astrolabe, designed following algebraic angular calculations, experiences inconsistent gear tooth spacing?
A)Erratic or uneven rotational speed✓
B)Varying frame temperature gradients
C)Exponential material degradation rate
D)Systematic observational measurement bias
💡 Explanation
Uneven gear teeth cause erratic motion because the *propagation of error* accumulates through the gear train, therefore affecting the final pointer speed rather than causing thermal issues or measurement biases arising from optical defects.
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