铅球的重力G=mg=3.39kg×10N/kg=33.9N
铅球受到的浮力:F浮=G-F示=33.9N-28.3N=5.6N
铅球的体积V=V排=F浮/ρ水g=5.6N/(1000kg/m^3×10N/kg)=0.00056m^3
铅球的密度:ρ=m/V=3.39kg/0.00056m^3≈6053kg/m^3
铅球的重力G=mg=3.39kg×10N/kg=33.9N
铅球受到的浮力:F浮=G-F示=33.9N-28.3N=5.6N
铅球的体积V=V排=F浮/ρ水g=5.6N/(1000kg/m^3×10N/kg)=0.00056m^3
铅球的密度:ρ=m/V=3.39kg/0.00056m^3≈6053kg/m^3