(1)
P1=pgh=1000kg/m^3*10N/kg*0.15m=1500Pa
F1=PS=1500Pa*5m^2=7500N
(2)
F2=G=mg=20kg*10N/kg=200N
P2=F2/S=mg/S= (20kg*10N/kg)/5m^2=40Pa
(1)
P1=pgh=1000kg/m^3*10N/kg*0.15m=1500Pa
F1=PS=1500Pa*5m^2=7500N
(2)
F2=G=mg=20kg*10N/kg=200N
P2=F2/S=mg/S= (20kg*10N/kg)/5m^2=40Pa