The uniform 20 Mg triangular gate is 1.5 m wide at B and is hinged at A. The gate rests on a smooth flat bed. Determine the height h for which the force at B is zero. 10 m S- 0.9 S= 0.8 h Water 10 m 1.5 m 60°
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- The 12-ft wide quarter-circular gate AB is hinged at A. Determine the contact force between the gate and the smooth surface at B due to water pressure acting on the gate. Use =62.4lb/ft3 for water.Figure (a) shows the cross-sectional dimensions for the structural steel section known as C1020 (channel with a nominal depth of 10 in., weighing 201b/ft). The American Institute of Steel Construction Structural Steel Handbook lists the following properties for the cross section: A=5.88in.2,Ix=78.9in.4, and Iy=2.81in.4. If two of these channels are welded together as shown in Fig. (b), find Ix and Iy for the resulting cross section.Compute the surface area of the axi-symmetric domed structure.
- A dam is inclined at an angle of 30° from the vertical and has the shape of an isosceles trapezoid 180 ft wide at the top and 90 ft wide at the bottom and with a slant height of 140 ft. Find the hydrostatic force on the dam when the water level is at the top of the dam. (Round your answer to the nearest whole number. Recall that the weight density of water is 62.5 lb/ft³.) 63653352 X lb Need Help? Read ItThe 1.5-m-long gate is a quarter circle with radius = 0.90 m and is hinged at A. Determine the following: (a) Av (m²), (b) hy (m), (c) Fx (kN), (d) hpv (m), (e) Fv (kN). (F) Determine the horizontal force P, required to hold the gate in place. Neglect friction at the hinge and the weight of the gate. Water ADetermine the smallest thickness (b) of the water gravity dam that will prevent it from tipping over due to the load from the water reservoir. The density of the concrete is 2.4 Mg/^3. The width of the dam is 1-m.
- A freshwater marsh is drained to the ocean through an auto- matic tide gate that is 4 ft wide and 3 ft higlı. The gate is held by hinges located along its top cdge at A and bears on a sill at B. If the water level in the marsh is h = 6 ft, determine the ocean level d for which the gate will open. (Specific weight of salt water = 64 IL.) Marsh A h- 6 ft 3 tShow the derivation of the girth and longitudinalstresses of the thin-walled cylindrical container shownbelow. Say p is the internal pressure, d is the insidediameter of the container, and t is wall thickness.A 1-m-wide rectangular gate is hinged about a horizontal axis along its lower edge Determine the force exerted on the gate, volume of the concrete blok (sg=2.4). The W weight of the gate is 10 kN.. Draw a free body diagram. h1 h2 m H1: 8.75 m. H2: 0.875 m. Water W B-60% a/2 a/2 A=ab. Ic=ab³/12 (a) Rectangle b/2 x 3 b/2
- The water-gate articulated in point B and inclined at an alfa angle to the horizontal retains an H level of water. The gate is blocked by a cable which is anchored in the lower part of the dam. It is required to determine the force necessary to open the gate. The width of the water gate is 1 m.Q1: The equilateral lamina ABC is placed parallel to the H.P and havenig the following data : A=(1,2), B=(6,2) left of A THE distance of projetors A&B = 5 cms. Required:- 1-fined the coordinates of the vertix C. 2-Draw the ELEVATION &PLAN of the lamina . 3-project on an AUXLIARY PLANE perpendicular to V.P. and making 30° with the H.P.A flywheel has a rim weight of 480 kg and mean radius of 480 mm. If the rim width is 6 times the rim thickness and material density is 7300 kg/m^3, calculate for the width of the flywheel. Answer = 361.7 mm