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← HistoryWhich mechanical risk increased for builders scaling Inca dry-stone walls?
A)Progressive hydrostatic pressure increase
B)Cumulative center-of-mass eccentricity✓
C)Augmented tensile material yield
D)Declining frictional force stability
💡 Explanation
The Eccentricity increases because each offset stone alters the load path through the wall, leading to a shift in the cumulative **center of mass**. This outcome increases the risk of the wall toppling, rather than remaining stable due to even distribution.
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