When the height of the metacenter is less...

Question 1 of 2707066636eec28f7522a1c51c471

When the height of the metacenter is less than the height of the center of gravity of a vessel, the upright equilibrium position is referred to by which term?

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Question 1 of 27070

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When the height of the metacenter is less than the height of the center of gravity of a vessel, the upright equilibrium position is referred to by which term?

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🔍 Key Concepts

• Metacenter (M) vs center of gravity (G) and what GM (metacentric height) represents • How the sign of GM (positive, zero, negative) relates to stability • Definitions of stable, unstable, and neutral equilibrium for a vessel’s upright position

💭 Think About

• Think about what happens to a vessel if G is higher than M: when you heel the vessel slightly, does it tend to return upright, stay where it is, or capsize further? • Ask yourself: in this situation, is the righting moment acting to bring the vessel back, doing nothing, or overturning it more? • Match that physical behavior to the term that describes the type of equilibrium for small angles of heel.

✅ Before You Answer

• Verify the meaning of GM > 0, GM = 0, and GM < 0 in basic stability theory • Check which type of equilibrium corresponds to a restoring (righting) moment, which to no moment, and which to an overturning moment • Confirm which condition applies when M is below G, i.e., when GM is negative