2. The 500-kg, 5-m-wide rectangular gate shown is hinged at B and makes an angle of 45° with the floor at A. (a) If the gate is opened by applying a normal force at the center of the gate, determine the force required to open the gate. (b) If you could choose any location to apply the force to open the gate, what location would you choose and what force would need to be applied? Water 0.5 m Hinge Gate. Air 3 m Floor 45° A