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← HistoryWhich effect resulted when Viking longship sails experienced heaving?
A)Increased hull stress concentration✓
B)Decreased ice accumulation
C)Reduced wind resistance
D)Improved steering effectiveness
💡 Explanation
Increased hull stress occurred because wave-induced heaving creates oscillating forces which cause higher loads on structural joints, specifically stress concentration, therefore potentially causing hull failure rather than hydrodynamic improvements for resisting ice.
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