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Class 4 (4th Engineer) SC&S 📅 Dec 2024

Exam Question

For a ship the center of buoyancy and the metacenter are in the line of action of the buoyant force

(a) Only when there is positive stability

(b) Only when there is negative stability

(c) Only when there is neutral stability

(d) At all times

Justify your answer.

Reference Answer

The correct answer is **(d) At all times**.
### Justification
To achieve full marks, a detailed justification based on the fundamental principles of naval architecture is required. The relationship between the Center of Buoyancy (B), the Metacenter (M), and the line of action of the buoyant force is based on their definitions, which are independent of the vessel's stability condition.
#### 1. Definition of Center of Buoyancy (B)

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