🔍 Key Concepts

• Metacenter (M) vs center of gravity (G) and what each point represents • Standard naval architecture notation for distances measured from the keel upward (K to B, K to G, K to M, etc.) • The common stability term that specifically measures the distance between G and M

💭 Think About

• Which symbol is traditionally used in stability problems to represent the vertical distance between the center of gravity and the metacenter? • Look at each option and recall which points each pair of letters connects (for example, K–M means what to what, K–B means what to what, etc.). • Which of these distances is directly used as the primary indicator of initial stability of a vessel?

✅ Before You Answer

• Be sure you know that K stands for keel, B for center of buoyancy, G for center of gravity, and M for metacenter. • Confirm which notation refers to a distance from the keel and which refers to a distance between G and M. • Verify which of the listed distances is most commonly discussed when talking about a ship being "stiff" or "tender" (initial stability).