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In earlier days, horses pulled barges down canals in the manner shown below. Suppose that the...

In earlier days, horses pulled barges down canals in the manner shown below. Suppose that the horse pulls on the rope with a force of 7900 N at an angle of 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 9100 kg, and its acceleration is 0.10 m/s2. What are the magnitude and the direction of the force on the barge from the water? magnitude N direction ° (counterclockwise from the +x axis is positive)

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Sol Given, f. = 7900 N = 180 m: 100 a= force in 0.10 m/s2 x-direction Net Focos & & Fwx = ma For ma-Fu cose - 9100*0.10) - 79

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