diagram, Calculate the center of pressure of the circular plate. (3 marks) FREE SURFACE 2.5 m h* 2 m
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- One side of the container has a 03-m square door that is hinged at its top edge. If the container is filled with water, determine the smallest force F that must be applied to the bottom edge of the door to keep it closed.Calculate the depth of the center of pressure for vertical rectangular plate having a height h = 10ft and base b = 5ft, and submerged in a liquid with its base at the liquid surface. If the upper base of the vertical rectangular plate given in the example problem is submerged by 12ft below the water surface, determine the location of the hydrostatic force and center of pressure. Answer should be (53,040 lbf and 17.4902ft)1. A rectangular plane surface is 2m wide and 3m deep. It lies in a vertical plane inthe water. Determine the total pressure and position of the center of pressure on theplane surface when its upper edge is horizontal (a)coincides with watersurface and (b) 2.5m below the free water surface
- In Fig. , vertical, unsymmetrical trapezoidal panelABCD is submerged in fresh water with side AB 12 ft belowthe surface. Since trapezoid formulas are complicated,( a ) estimate, reasonably, the water force on the panel, in lbf,neglecting atmospheric pressure. For extra credit, ( b ) lookup the formula and compute the exact force on the panel.The pressure at a point “m” in the figure shown was increased from 70 kPa to 105 kPa. This causedthe top level of mercury to move 20 cm in the sloping tube. What is the inclination, θ?A bottle consist of a cylinder 35 cm in diameter and 30 cm high and a neck 5 cm in diameter and 30 cm long. The bottle is inserted into a body of water, with the open end of the neck first until the neck is completely filled with water. Assuming the pressure of the atmosphere is standard, and neglecting vapor pressure, what is the depth to which the open end is submerged below the free surface? Show correct figure and detailed solution.
- 1. A rectangular plane surface is 2m wide and 3m deep. It lies in vertical plane in water. Determine the total pressure and position of centre of pressure on the plane surface when its upper edge is horizontal (a)coincides with water surface and (b) 2.5m below the free water surface.Consider the slanted plate AB of length L in Fig. .( a ) Is the hydrostatic force F on the plate equal to theweight of the missing water above the plate? If not, correctthis hypothesis. Neglect the atmosphere. ( b ) Can a “missingwater” theory be generalized to curved surfaces of this type?A gate which is hinged at O with a constant width of 5m and water depth of 4m to the right of the gate.determine the magnitude of hydrostatic force required to maintain the gate in equilibrium
- Pressure in a water container can be measured by an open vertical tube. If the expected water rise is about 20cm. What tube diameter is needed to ensure the capillary action is less than 3%?Q2/A rectangular plate of AB 1.2 meter by 5-meter size is immersed in water. The plane of the plate is inclined at 45° with free water surface and the end of plate at(B) a depth of 5 meters from water surface. Find the total pressure on the plate and the position of center of pressure.The tank in Fig. has a 4-cm-diameter plug at the bottomon the right. All fl uids are at 20 ° C. The plug will pop out if thehydrostatic force on it is 25 N. For this condition, what willbe the reading h on the mercury manometer on the left side?