The density of wood block is 0.6 × 10 ~ (- 179); kg / M ~ (- 179); the volume is 4dm ~ (- 179); it floats on the water surface (g = 10N / kg) The density of wood block is 0.6 × 10 ~ (- 179); kg / M ~ (- 179); the volume is 4dm ~ (- 179); it floats on the water surface (take g = 10N / kg); (1) Gravity of wood block (2) Buoyancy of wood block (3) Volume of boiled water discharged by wood block

The density of wood block is 0.6 × 10 ~ (- 179); kg / M ~ (- 179); the volume is 4dm ~ (- 179); it floats on the water surface (g = 10N / kg) The density of wood block is 0.6 × 10 ~ (- 179); kg / M ~ (- 179); the volume is 4dm ~ (- 179); it floats on the water surface (take g = 10N / kg); (1) Gravity of wood block (2) Buoyancy of wood block (3) Volume of boiled water discharged by wood block

(1) The volume of wood block v = 4dm & # 179; = 0.004m & # 179; from ρ = m / V, the mass of wood block M = ρ v = 0.6 × 10 & # 179; kg / M & # 179; × 0.004m & # 179; = 2.4kg. The gravity of wood block G = mg = 2.4kg × 10N / kg = 24N