1)物体受到的浮力F=1.65N-0.9N=0.75N
2)物体的体积等于排开水的体积V=0.75N/(1.0*1000kg/m3*10N/kg)=0.000075m3
3)物体的密度P=1.65N/(0.OOOO75m3*10N/kg)=2200kg/m3
1)物体受到的浮力F=1.65N-0.9N=0.75N
2)物体的体积等于排开水的体积V=0.75N/(1.0*1000kg/m3*10N/kg)=0.000075m3
3)物体的密度P=1.65N/(0.OOOO75m3*10N/kg)=2200kg/m3