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← HistoryWhich consequence results when dry flax rope anchoring a Viking 'byrding' cargo ship's sail experiences abrasion against a rough-hewn wooden mast?
A)Rope's tensile strength is reduced✓
B)Sail attachments become more elastic
C)Mast bending is slightly increased
D)Total ship displacement marginally lessens
💡 Explanation
Rope abrasion causes fiber degradation, reducing yarn count through a fretting mechanism, because the localized stresses on abraded fibers concentrates loading; therefore, the ropes weaken, rather than make the system more elastic, because increased fiber yield would occur instead.
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