Semisubmersibles A and B are identical....

Question 1 / 2707066636ee728f7522a1c5188a1

Question 1 of 2707066636ee728f7522a1c5188a1

Semisubmersibles A and B are identical. However, "A" is more tender than "B". This means that "A" relative to "B" has a __________.

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Question 1 of 27070

Semisubmersibles A and B are identical. However, "A" is more tender than "B". This means that "A" relative to "B" has a __________.

🔍 Key Concepts

• Relationship between GM (metacentric height) and vessel tenderness/stiffness • How KG (height of center of gravity) affects GM • Meaning of a tender vessel in terms of roll period and initial stability

💭 Think About

• Ask yourself: does a tender vessel have quick, snappy rolls or slow, easy rolls? What does that say about its initial stability? • If two vessels are identical except for being more or less tender, what must be different in their vertical centers (G, M) rather than their hull form? • How would raising or lowering G change GM, and how would that change affect the vessel’s tenderness?

✅ Before You Answer

• Recall the formula that links GM, KM, and KG and think how changing KG affects GM • Connect tenderness with the size of GM (large or small?) and the resulting roll characteristics • Consider whether a more tender vessel will have a larger or smaller righting arm (GZ) at small angles of heel

Question 1 of 27070

Semisubmersibles A and B are identical. However, "A" is more tender than "B". This means that "A" relative to "B" has a __________.

lower KG

larger GZ

smaller roll angle

smaller GM