The low-bed trailer shown is designed so that the rear end of the bed can be lowered to ground level in order to facilitate the loading of equipment or wrecked vehicles. A 1400-kg vehicle has been hauled to the position shown by a winch; the trailer is then returned to a traveling position where α = 0 and both AB and BE are horizontal. Considering only the weight of the disabled automobile, determine the force that must be exerted by the hydraulic cylinder to maintain a position with α = 0.
Fig. P6.101

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