The buoyancy of a 0.05 cubic meter iron immersed in water is, and the buoyancy of the iron immersed in alcohol is

(1) F floating = P water GV drainage = 10 ^ 3kg / m ^ 3 * 10m / S ^ 2 * 0.05m ^ 3 = 2 * 10 ^ 5N
(2) F = P wine GV row = 0.8 * 10 ^ 3kg / m ^ 3 * 10m / S ^ 2 * 0.05m ^ 3 = 1.6 * 10 ^ 5N

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