piece of wood (sg = 0.60) 15 cm by 25 cm and 2.0 m long is floating upright in water. Determine the weight of iron, (sg = 7.8), in N, that must be fastened at the bottom of the wood such that 50 cm is above the water surface.
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4. A piece of wood (sg = 0.60) 15 cm by 25 cm and 2.0 m long is floating upright in water. Determine the weight of iron, (sg = 7.8), in N, that must be fastened at the bottom of the wood such that 50 cm is above the water surface.
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- A solid sphere has a diameter of 3.81 cm and a relative density of 0.089. It floats in the water a depth "h". determine this height if: a) the buoyancy due to the air is negligible. b) the buoyancy of the air is not negligible ρair=1.225kg/m^3 (use 4 decimal places for your calculations).A solid mat has a diameter of 3.81 cm and a relative density of 0.089. It floats in water at a depth "h". Determine this height if: al the thrust due to the air is negligible b) the thrust of the air is not negligible PAIRE=1,225kg/m° (use 4 decimal places for your calculations).3. A certain metal has a volume of 0.025 cu.m and when immersed in water, it weighs 500 N. Calculate the specific gravity of the object. 4. A piece of wood (sg = 0.60) 15 cm by 25 cm and 2.0 m long is floating upright in water. Determine the weight of iron, (sg = 7.8), in N, that must be fastened at the bottom of the wood such that 50 cm is above the water surface.
- A solid sphere has a diameter of 3.81 cm and a relative density of 0.089. It floats in water at a depth "h". determine that height ifa) buoyancy due to air is negligibleb) the thrust due to the air (1.225kg/m^3) is not negligibleAsapThe flat surface shown is submerged vertically in water. Find the fluid force against the surface. The weight density of water is 9810 N/m3. 1 m 3 m 6 m Enter the exact answer. F = i %3D
- A circular plate of diameter 1.5 m is vertically placed in water in such a way that the centre of the plate is 3.35 m below the free surface of water. Find the following. Total Pressure on the circular plate (in N) Answer for part 1 Centre of Pressure on the circular plate (in m) Answer for part 2A vertical plate is submerged in water and has the indicated shape. 10 m 6 m A triangle is submerged in water pointed up. The top most vertex of the triangle touches the surface of the water. The base of the triangle is 6 m and is parallel to the surface of the water. The height of the triangle is 10 m. Express the hydrostatic force (in N) against one side of the plate as an integral (let the positive direction be downwards) and evaluate it. (Use 9.8 m/s2 for the acceleration due to gravity. Recall that the weight density of water is 1,000 kg/m3.)A tank holds water (density of 995.7 kg/m3) with a triangular gate located at the bottom right. The gate is an isosceles triangle with a base/width of 0.7 m and a height of 1.4 m. What force (F) applied at the gate's centroid is needed to keep the gate closed? The height from the water surface to the gate centroid is given by h = 4.9 m. Please note that the side view of the gate is shown and that the force is applied at the gate's centroid, although not accurately drawn.
- the timber shown is 30cm square and has a specific gravity of 0.50. A man weighing 70kg standing at a point 60cm from one end causes that end to be just submerged. How long is the timber? Answer: L=5mFind the height of the portion of a cubic block that extends below the water surface (h) , the specific gravities of block and seawater are given to be SG = 0.778 and 1.025, respectively. h1 = 13.1cmA block of wood floats in water with 2 inches projecting above the water surface. When placed in glycerin of relative weight 1.26, the block floats 3 inches above the liquid. Determine the weight density of the wood.