the car hoist allow the car to be driven onto the platform, after which the rear wheels are raised. If the loading from both rear wheels is 6 kN,...

the car hoist allow the car to be driven onto the platform, after which the rear wheels are raised. If the loading from both rear wheels is 6 kN, determine the force in the hydraulic cylinder AB. Neglect the weight of the platform itself. Member BCD is a right angle bell crank pinned to the ramp at C.