The uniform door shown weighs 525 N and 2.50 m high and 4.00 m long. It is hanging from two hinges 2.00 m apart and 0.250 m from the top and bottom of the door (hinges C and D). Cable AB is connected to the door as shown to relieve the strain on hinge C. The tension in cable AB is increased until the horizontal force at hinge C is zero. (a) Find the tension in cable AB. (b) Find the magnitude of the horizontal component of force at hinge D. (c) Find the combined vertical force exerted by hinges C and D

The uniform door shown weighs 525 N and 2.50 m high and 4.00 m long. It is hanging from two hinges 2.00 m apart and 0.250 m from the top and bottom of the door (hinges C and D). Cable AB is connected to the door as shown to relieve the strain on hinge C. The tension in cable AB is increased until the horizontal force at hinge C is zero. (a) Find the tension in cable AB. (b) Find the magnitude of the horizontal component of force at hinge D. (c) Find the combined vertical force exerted by hinges C and D

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