a$)(5$ points$)$ Determine the height of the water, h$,$

b$)(5$ points$)$ Detsemine the hydrestatis fores on the sate,

$(10$ points$)$ Determine the minimum torque required at the hinge $($G$)$ spring of similar meghanism$)$ to kesp the gete closed,

${}_w=9790\frac{(N)}{m^2},$ and ${}_w=1000\frac{(kg)}{m^{\text{'}}}$