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QUESTION 3: The curb weight of a truck with a120BBengine is3200kg. The truck will climb an8%incline at a speed of32km/h. It is known that the engine efficiency coefficient is0.80, the sliding friction coefficient on the surface is0.55, the rolling resistance coefficient is0.02kg/kg, the width of the truck is2.5meters, the height is2.85meters, and the air resistance coefficient is0.075. Since the rear wheels of the truck are the engine; A) Calculate the Zur pulling force of the vehicle. (10 points) B) Calculate the useful load that it can carry. (10 points) C) Check whether the truck can move with this load. ( 15 points)

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