1.m=G/g=58.8N/(10N/kg)=5.88kg
ρ物=m/V物=5.88kg/10dm^3=0.588kg/dm^3=0.588x10^3kg/m^3
ρ物《ρ水,为漂浮
F浮 = G=58.8N
F浮 = G =ρ液V排g V排=G/(ρ液g)=5.88dm^3
2.一艘质量为1500t 装上5000t的货物后刚好载满,船始终为漂浮;
F浮 = G排=(m1+m2)g=6500000kgX9.8N/kg=6.37X10^7N
1.m=G/g=58.8N/(10N/kg)=5.88kg
ρ物=m/V物=5.88kg/10dm^3=0.588kg/dm^3=0.588x10^3kg/m^3
ρ物《ρ水,为漂浮
F浮 = G=58.8N
F浮 = G =ρ液V排g V排=G/(ρ液g)=5.88dm^3
2.一艘质量为1500t 装上5000t的货物后刚好载满,船始终为漂浮;
F浮 = G排=(m1+m2)g=6500000kgX9.8N/kg=6.37X10^7N