When a vessel is inclined due to an external...

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Question 1 of 205eccef9fbacbc34ba4d4695b

When a vessel is inclined due to an external force, such as the action of seas in which no cargo shifts, the tendency of the vessel to return to its original position is caused by the shift in __________.

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🔍 Key Concepts

• Transverse stability and how a vessel rights itself after being heeled by waves • Difference between center of gravity (G) and center of buoyancy (B) • What actually changes position inside the hull when the ship heels, assuming no cargo shift

💭 Think About

• When the vessel heels and no cargo moves, which point inside the vessel’s geometry actually moves relative to the waterline? • Which of these points (from the choices) is directly linked to the righting lever (GZ) and the creation of the righting moment? • Think about which point depends on the shape of the underwater volume versus which point depends on weight distribution.

✅ Before You Answer

• Identify which quantity depends on the underwater volume of displacement rather than cargo location • Recall that the righting moment is created by the horizontal distance between weight and buoyant force — which point’s movement creates that lever arm? • Eliminate any term that is primarily associated with trim or with a distance/line, rather than a point that can shift when the vessel heels

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