[amp_mcq option1=”water surface” option2=”center of pressure” option3=”center of gravity” option4=”center of buoyancy” correct=”option4″]
The correct answer is: D. center of buoyancy.
Metacentric height is the distance between the metacentre and the center of buoyancy. It is a measure of the stability of a ship. A ship with a high metacentric height is more stable than a ship with a low metacentric height.
The metacentre is the point of intersection of the vertical line through the center of buoyancy and the line of action of the buoyant force. The center of buoyancy is the point where the buoyant force acts on a ship.
The center of gravity is the point where the weight of a ship acts. The weight of a ship is the force of gravity acting on the mass of the ship.
The water surface is the surface of the water that a ship floats on.
The center of pressure is the point where the pressure of the water acts on a ship. The pressure of the water is the force of the water acting on the surface of the ship.