The volume of a piece of iron is 0.1 dm3. What buoyancy force will act on it when fully immersed in water?
| August 24, 2021 | education
The volume of a piece of iron is 0.1 dm3. What buoyancy force will act on it when fully immersed in water? In kerosene?
V = 0.1 dm3 = 1 * 10-4 m3.
g = 10 m / s2.
ρw = 1000 kg / m3.
ρк = 800 kg / m3.
Fav -?
Fak -?
Fav = ρw * g * V.
Fav = 1000 kg / m3 * 10 m / s2 * 1 * 10-4 m3 = 1 N.
Fak = ρk * g * V.
Fak = 800 kg / m3 * 10 m / s2 * 1 * 10-4 m3 = 0.8 N.
Answer: Fav = 1 N, Fak = 0.8 N.
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