Question

如图所示,边长为0.2m的正方体五块浸没静止在水中,上表面距水面的距离是0.2m。求上表面受到水的压强和压力

Answer 1

p=Pgh=1000Kg/m3*10N/Kg*0.2m=2000pa
F=PS=2000pa*0.2m*0.2m=80N

Answer 2

P=ρ液gh

=1000*10*0.2
=2000Pa
F=PS
=2000*0.2*0.2
=40N