5-94 A flat plate is used to seal an opening in a largewater (p = 1000 kg/m) tank as shown in Fig. P5-92. If theopening has the cross section shown in Fig. P5-924, deter-mine the magnitude of the resultant force R exerted on theplate by the water pressure and the location of the centerof pressure with respect to the bottom of the opening if d =10 m and h=1 m.

Answered: 5-94 A flat plate is used to seal an…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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In the manometer above, point 2 is open and is exposed to the surroundings. Also, the water tank is pressurized by air from the inside as shown in the figure. If h1 = 22cm, h2 = 0.35m, and h3 = 47cm, and assuming that the acceleration due to gravity is 9.81m/s2, (density of water = 1011 g/L, density of oil = 770 kg/m3, density of mercury has a density of 13.75 kg/dm3) A) Calculate the gauge pressure (in torr) of the air inside the tank. B) Show in your diagram all the parts that can be cancelled in the pressure balance. C) Calculate the pressure at point C (in kPa).
5-82 If the dam shown in Fig. P5-82 is 50 m wide, de- ermine the magnitude of the resultant force R exerted on he dam by the water (p = 1000 kg/m) pressure. 15 m 30
Solve the following question using scalar components and solve the resulting system of equations by substitution, please show all the work and units at each step
5-89 The width of the rectangular gate shown in Fig. P5-89 is 3 ft. Determine the magnitude of the resultant force R exerted on the gate by the water (y = 62.4 lb/ft) pres- sure and the location of the center of pressure with respect to the hinge at the bottom of the gate. B 8 ft 5 ft 60° 45°
3-167 The 280-kg, 6-m-wide rectangular gate shown in Fig. P3-167 is hinged at B and leans against the floor at A making an angle of 45° with the horizontal. The gate is to be opened from its lower edge by applying a normal force at its center. Determine the minimum force F required to open the 2 of 2 water gate. Answer: 626 kN 0.5 m B. Water 3 m F 45° A

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