•42 Go In earlier days, horses pulled barges down canals in the manner shown in Fig. 5-42. Suppose the horse pulls on the rope with a force of 7900 N at an angle of 0 = 18° 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) magni- tude and (b) direction (relative to positive x) of the force on the barge from the water?

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Chapter1: Units, Trigonometry. And Vectors
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•42 GO In earlier days, horses pulled barges down canals in the
manner shown in Fig. 5-42. Suppose the horse pulls on the rope
with a force of 7900 N at an angle of 0 = 18° 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) magni-
tude and (b) direction (relative to positive x) of the force on the
barge from the water?
--- -
Figure 5-42 Problem 42.
Transcribed Image Text:•42 GO In earlier days, horses pulled barges down canals in the manner shown in Fig. 5-42. Suppose the horse pulls on the rope with a force of 7900 N at an angle of 0 = 18° 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) magni- tude and (b) direction (relative to positive x) of the force on the barge from the water? --- - Figure 5-42 Problem 42.
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