can you please help with this

that provides a force, F, as shown. The gate is L=2m long, b=3m wide into the page, and angled at =45 to the horizontal. The truck is steadily accelerating at 5m/s2 along a horizontal road. As a result, the water level at the rear of the truck rises to a level of H=1m above the hinge. a) Draw the free body diagram of the gate. b) Calculate the force, F, required to hold the gate shut