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Question: a solid spherical steel ball can float on water due...

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A solid spherical steel ball can float on water due to surface tension effect. Calculate the maximum diameter of the ball that would float on water at 25°C. (Assume that the ball is exactly submerged to its center in the liquid). Surface tension of water at 25°C is 72 mN/m and density of water is 997kg/m3 . Specific gravity of steel is 7.7. Consider a contact angle of 60° for water with steel.

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