An object floats in water if the buoyant force acting on it is greater than its weight.
Therefore, the weight of the water that the object displaces must be greater than or equal to that of the object.
Question 1: Why does an ocean liner float?
A. It is made of steel, which floats.
B. It is held up in the water by large Styrofoam compartments.
C. The average density of the ocean liner is less than that of seawater.
D. Its very big size changes the way water supports it.
E. Remember the Titanic -ocean liners do not float.
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