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The upward force exerted on an object by the fluid which surrounds it.
The upward force exerted on an object by the fluid which surrounds it. Any object immersed in a fluid experiences an upwards force equal to the weight of the fluid it displaces. This explains why small dense pebbles sink, and large but hollow metal ships float.
Any object immersed in a fluid experiences an upwards force equal to the weight of the fluid it displaces. This explains why small dense pebbles sink, and large but hollow metal ships float.