In earlier days, horses pulled barges down canals in the manner shown in Figure. Suppose the horse pulls on the rope with a force of 7900 N at an angle of θ = 18o to the direction of motion of the barge, which is headed straight along the positive direction of an x axis. The mass of the barge is 9500 kg, and the magnitude of its acceleration is 0.12 m/s2. What are the

(a) Magnitude and

(b) Direction (relative to positive x) of the force on the barge from the water?

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