10.6 كليات التقنية العليا HIGHER COLLEGES OF TECHNOLOGY HOT 2.0 [5 Marks] A 60-cm square gate has its top edge 12 m below the water surface. It is on a 45° angle and its bottom edge is hinged as shown in Figure. What force P is needed to just open the gate? Water 12 m P 60x60 cm² Hinge 45°