The motion of a vessel impacts its...

Question 1 of 2921866636ef028f7522a1c520af8

The motion of a vessel impacts its stability. Which of these motions shown in the illustration affects the governing "transverse" stability? Illustration SF-0048

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Question 1 of 29218

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The motion of a vessel impacts its stability. Which of these motions shown in the illustration affects the governing "transverse" stability? Illustration SF-0048

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🔍 Key Concepts

• Transverse stability is about how the vessel resists heeling from side to side. • There are six degrees of motion: surge, sway, heave (linear), and roll, pitch, yaw (rotational). • The motion that governs transverse stability is rotation about the longitudinal axis (bow to stern).

💭 Think About

• From the illustration, which motion is shown as rotation around the longitudinal axis of the vessel? • Which motion would you feel as the ship leaning or heeling from port to starboard and back again? • Which of the listed motions directly changes the vessel’s angle of heel, rather than just shifting its position forward, aft, or sideways?

✅ Before You Answer

• Identify on the diagram which axis is labeled longitudinal and see which motion is drawn around that axis. • Eliminate any motions that are straight-line translations (no rotation). • Confirm that your choice represents a side-to-side tilting that affects metacentric height and righting arm curves (transverse stability).