Each propeller of the twin-screw ship develops a full-speed thrust of F = 350 kN. In maneuvering the ship, one propeller is turning full speed ahead and the other full speed in reverse. What thrust P must each tug exert on the ship to counteract the effect of the ship's propellers? Assume a = 47 m, b = 126 m, c = 13 m. a F # F b Answer: P = IA kN ED

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