The door is held by the hinges at A and B and the rope CD. If the tension in the rope is 200 N, find the moment about point A of the force exerted by the rope CD. Z 80 mm 300 mm 240 mm 2... ... D 80 mm: 240 mm y Fill in the cross-product below which calculates the moment at A due to the tension in the cord. (Do not put units in the blanks.) M in units of N-mm = i K 320. X -300. -240. X M = -128 -120 96 M = -57600 x it 0 x j+ -76800 x k N-mm