Completely 37433

Determine the magnitude of the buoyancy force acting on a body with a volume of 1 dm3 completely immersed a) in water b) in ethanol.

Correct answer:

F1 =  9.81 N
F2 =  7.7401 N

Step-by-step explanation:

V=1 dm3 m3=1:1000  m3=0.001 m3 ρ1=1000 kg/m3 g=9.81 m/s2  m=ρ V F1=ρ1 V g=1000 0.001 9.81=9.81 N
ρ2=789 kg/m3  F2=ρ2 V g=789 0.001 9.81=7.7401 N

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