Question 151Safety & Environmental - Assistant Engineer

The correct answer is B) buoyancy. The point through which the vertical upward support provided by the water in which a vessel floats is assumed to act is known as the center of buoyancy. This is because the buoyant force, which is the upward force exerted by the water on the vessel, is equal to the weight of the water displaced by the vessel and acts through the center of buoyancy. The other options are incorrect because the center of effort refers to the point through which the wind force acts on a sailing vessel, the center of gravity is the point at which the weight of the vessel is considered to act, and the center of flotation is the geometric center of the waterplane area.