3. The rigid surface shown on the left side of the figure has a vertical section and an inclined section and is hinged at the bottom. Determine the horizontal force F needed to keep the gate fixed at its position. The line of action of force Fis at the same height as the free surface of water and the width of the gate is b-2 m. Gravity is downward and equal to g-9.8 m/s². Patm y F x 0=45° 3 m Water 5 m Patm

Elements Of Electromagnetics
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3. The rigid surface shown on the left side of the figure has a vertical section and an inclined section
and is hinged at the bottom. Determine the horizontal force F needed to keep the gate fixed at its
position. The line of action of force Fis at the same height as the free surface of water and the
width of the gate is b=2 m. Gravity is downward and equal to g -9.8 m/s².
Patm
0=45°
3 m
Water
5 m
Patm
Transcribed Image Text:3. The rigid surface shown on the left side of the figure has a vertical section and an inclined section and is hinged at the bottom. Determine the horizontal force F needed to keep the gate fixed at its position. The line of action of force Fis at the same height as the free surface of water and the width of the gate is b=2 m. Gravity is downward and equal to g -9.8 m/s². Patm 0=45° 3 m Water 5 m Patm
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