When the tide water A subsides, the tide gate automatically swings open to drain the marsh...

When the tide water A subsides, the tide gate automatically swings open to drain the marsh B. For the condition of high tide shown, determine the horizontal reactions developed at the hinge C and slop block D. The length ot the gate is 6 m and its height is 4 m. ρu = 1.0 Mg/m3.