
容器念晌底所受水的压强 1100Pa
求水的重加上物块的仔搭锋去除以圆柱形容器底面积就行枝配了。
G水=1000g/m^2x(100x10)x10^-6 x10N/kg=10N
G物=800kg/m^2x(5x5x5)x10^-6x10N/kg=1N
P=(G水+ G物)/S=(10+1)N/100X10^-4m^2=1100Pa
G物=P物V物州带g=1N , G水= P水gV水=P水gS底H=10N, P底=G物+G水/S底=1100Pa,P物<P水所以物信族体漂浮。F浮=G物。即P水gS物滑迹弊H=1N,算出H=4cm物体露出的高度h=5cm-4cm=1cm