# What is the up thrust experienced by a cube of edge -length 5cm made of iron when competely immersed in ethanol of density 0.8g/cm3

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by abhi34

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by abhi34

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upthrust = 800 kg/m³ * 0.000125 m³ * 10 = 1 N

density of fluid = 0.8g/cm^3

let acc.due to gravity = 10 m/s^2

upthrust = bouyant force

bouyant force =vol.of substance immersed in fluid * density of fluid * acc. due to gravity

bouyant force = 125cm^3*0.8g/cm^3*10m/s^2

force=125*8g m/s^2

=1000g m/s^2

=1 kg m/s^2

=1 N