Safety & Environmental Protection (Deck) USCG Question #1710 (Set 53)

A vessel aground may have negative GM since the __________.

Official USCG Answer & Rule Citation

Correct Answer: Option A — displacement lost acts at the point where the ship is aground

When aground, a portion of the vessel's weight is supported directly by the bottom rather than displaced water. This lost displacement acts as an upward force at the specific grounding point, causing a virtual rise in the center of gravity and reducing effective transverse stability.

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