Question

Quiz: FLUD2005- Fluid Mechan Question 3 20 pts A 5m-wide rectangular gate as shown in the photo blocks a 7m-high water channel flowing into the Lichtenburg village. A side view, schematic diagram, of the system is inserted. The gate is hinged about a horizontal wooden beam placed across the channel. It is restrained from opening by a fixed concrete stopper, which applies a force of 850 KN to the gate. Determine the total height of the gate. [Use density of water to be 1000 kgm Hinge Gate Concrete stopper HTML Editora BIU A - A - TXXX, SEE © TTT 12pt Paragraph

Answer 1

hat h Im. Force por length due pressure of the water. Fr PX W 850kn Force due to Wasm. Feghow pressure of water C100049.81*7*5 = 343 +35x103 N/m At static equilibrium {moio 1 BX 343.25x18xxx(harth 8x) = 850xhoxh 1.41399 ( h-2.3)=h 1+ 41379 h. - 3.3 ih h-7.975 m