For a ship to float in equilibrium the buoyancy force pushing upward on the underwater part of the hull must be equal to the total weight of the ship.
Ukuze inqanawa idade ngozinzo, amandla omqondiso odadayo atyhalelwa phezu kwamanzi angaphantsi kwinxenye yesiqu senqanawa kufuneke aulingane nesiphumo sobunzima benqanawa.