1、P1=p水*g*h=1.0*10^3kg/cm^3*10N/kg*0.3m=3*10^3Pa
F1=P1*S=3*10^3Pa*40*10^-4m^2=12N
2、G=mg=p水*V*g=1.0*10^3kg/cm^3*1500*10-6m^3*10N/kg=15N
3、P2=F2/S1=(G水+G容器)/S1=(15N+5.3N)/40*10^-4m^2=5075Pa
F2=G水+G容器=15N+5.3N=20.3N
1、P1=p水*g*h=1.0*10^3kg/cm^3*10N/kg*0.3m=3*10^3Pa
F1=P1*S=3*10^3Pa*40*10^-4m^2=12N
2、G=mg=p水*V*g=1.0*10^3kg/cm^3*1500*10-6m^3*10N/kg=15N
3、P2=F2/S1=(G水+G容器)/S1=(15N+5.3N)/40*10^-4m^2=5075Pa
F2=G水+G容器=15N+5.3N=20.3N