Metacentric height is defined as the spatial distance separating the metacentre from_______________?
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Answer: C. center of gravity
Explanation
Metacentric height is a critical measurement used to assess the initial static stability of floating vessels. It represents the vertical distance separating the metacentre from the center of gravity. A positive separation distance ensures that the floating body returns to upright after tilting. The center of gravity is the point where the entire weight of the floating body acts downward. The center of buoyancy is the centroid of the underwater displaced volume acting upward. The metacentre is the theoretical point through which the buoyant force vector acts when the hull tilts.
Naval architects calculate metacentric height to guarantee ship safety and prevent capsizing at sea. Insufficient metacentric height leads to excessive rolling periods and potential stability loss during storms. Cargo loading procedures must carefully maintain proper vertical center of gravity positions for vessel safety. The water surface serves as a reference plane but is not the lower point in metacentric height. Center of pressure applies to submerged flat plates experiencing fluid static pressure forces. Center of buoyancy is the point where buoyant forces act, distinct from the center of gravity.
- Subject
- Engineering
- Category
- Mechanical Engineering
- Topic
- —
- Difficulty
- medium
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