11. A wooden block with a density of 0.6 × 103 kg / m3 and a volume of 100 cm3 is tied to the bottom of the container with a rope, as shown in Figure 4 11. A wooden block with a density of 0.6 × 103 kg / m3 and a volume of 100 cm3 is tied to the bottom of the container with a rope, as shown in the figure 4. When water is poured into the container, the surface of the water is just level with the surface of the wood block, and the tension on the rope is______ Cattle

11. A wooden block with a density of 0.6 × 103 kg / m3 and a volume of 100 cm3 is tied to the bottom of the container with a rope, as shown in Figure 4 11. A wooden block with a density of 0.6 × 103 kg / m3 and a volume of 100 cm3 is tied to the bottom of the container with a rope, as shown in the figure 4. When water is poured into the container, the surface of the water is just level with the surface of the wood block, and the tension on the rope is______ Cattle

1、 The upward buoyancy of wood block is: F floating = ρ water GV row = 1.0 × 10 & sup3; kg / M & sup3; x10n / kg x0.0001 M & sup3; = 1n; second, the downward gravity of wood block is: g = mg = ρ wood GV wood = 0.6 × 10 & sup3; kg / M & sup3; x10n / kg x0.0001 M & sup3; = 0.6 n; third, the downward tension of wood block is