(Solved): B. Parabolic gate \( A B \) is \( 7 \mathrm{~m} \). perpendicular to the paper. Neglecting atmosph ...

B. Parabolic gate \( A B \) is \( 7 \mathrm{~m} \). perpendicular to the paper. Neglecting atmospheric pressure. Delermine the horizontal and vertical component of the hydrostatic force acting on \( A B \) and the force F required to prevent rotation about the hinged at \( 8 .(30) \)