1.浮力大于重力
2.减小浮筒的重力
3.P液=ρgh=1.03×103kg/m3×10N/kg×60m=6.18×105Pa
P=P0+P液=1.01×105 Pa +6.18×106 Pa =6.281×106 Pa
F浮×=ρ液gρg排=1.03×103kg/m3×10N/kg×3.14×52m2×12m=9.7026×107N
F举=F浮-G=9.7026×107N-2×106N=9.5026×107N
1.浮力大于重力
2.减小浮筒的重力
3.P液=ρgh=1.03×103kg/m3×10N/kg×60m=6.18×105Pa
P=P0+P液=1.01×105 Pa +6.18×106 Pa =6.281×106 Pa
F浮×=ρ液gρg排=1.03×103kg/m3×10N/kg×3.14×52m2×12m=9.7026×107N
F举=F浮-G=9.7026×107N-2×106N=9.5026×107N