Discuss the below in detail:
Q: Gate AB is 7 ft into the paper and weighs 3000 lbf when submerged. It is hinged at B and rests against a smooth wall at A. Find the water level h which will just cause the gate to open. You must use the APA format style and give the solution of the problem step by step.
![2319_Gate.jpg](https://secure.tutorsglobe.com/CMSImages/2319_Gate.jpg)