The 200-kg, 5-m-wide rectangular gate shown in Fig. P10-39 is hinged at B and leans agains...

The 200-kg, 5-m-wide rectangular gate shown in Fig. P10-39 is hinged at B and leans against the floor at A making an angle of 45° with the horizontal. The gate is to be opened from its lower edge by applying a normal force at its center. Determine the minimum force F required to open the water gate.