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SET 1
Question: How does a ship float? Concept When a ship is put in water: The ship pushes water aside . This is called displacement of water . Water pushes the ship upwards . This upward push is called the buoyant force . If the upward force from water is equal to the weight of the ship , the ship floats. Even though ships are made of heavy steel, they are hollow inside . Because of this hollow shape, the ship’s average density becomes less than water , so it can float. Physics Laws used in this question Archimedes’ Principle – The upward force on a body in water is equal to the weight of water displaced. Law of Floatation – A body floats when its weight equals the weight of water displaced. Related topic of this question Buoyancy (Upthrust), Density, Fluid Mechanics Interview Style Answer A ship floats because of the buoyant force. When a ship is placed in water, it displaces a large amount of water. According to Archimedes’ principle, the water pushes the ...
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