As shown in Figure 2-55, a 2m×3m iron hydrological gate (weight 2ton) is installed at the entrance from the reservoir to

[answerhappygod]

As shown in Figure 2-55, a 2m×3m iron hydrological gate (weight
2ton) is installed at the entrance from the reservoir to the water
tunnel. Point A is hinged and point B is in the groove. Find the
maximum depth h in the reservoir to prevent the floodgates from
opening.
Please include an explanation...

As Shown In Figure 2 55 A 2m 3m Iron Hydrological Gate Weight 2ton Is Installed At The Entrance From The Reservoir To 1 (67.87 KiB) Viewed 20 times

그림 2- 25 그림 2-56과 같은 직경 50cm인 원형 밸브 CD가 구하라. 힌지 (hinge) 45 h (tunnel) 터널 저수지 (reservoir) 1 m 2 m B 그림 2-55 26 그림 2-57에서 수문 AB가 열리지 않게 하기 위 1.2 m이다.