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In earlier days, horses pulled barges down canals in the manner shown in Fig. Suppose that the horse pulls a rope that exerts a horizontal force of 7900 N at an angle of 18° to the direction of motion of the barge, which is headed straight along the canal. The mass of the barge is 9500 kg and its acceleration is 0.12 m/s 2 , Calculate the horizontal force exerted by the water on the barge.

In earlier days, horses pulled barges down canals in the manner shown in Fig. Suppose that the horse pulls a rope that exerts a horizontal force of 7900 N at an angle of 18° to the direction of motion of the barge, which is headed straight along the canal. The mass of the barge is 9500 kg and its acceleration is 0.12 m/s2, Calculate the horizontal force exerted by the water on the barge.

Grade:10

1 Answers

Jitender Pal
askIITians Faculty 365 Points
6 years ago
235-2161_1.PNG
Round off to four significant figures,
Px = 6373 N
Therefore the magnitude of horizontal force exerted by the water is 6373 N and it acts in a direction opposite to the horizontal motion of barges.

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