15-141. The earthmovcr initially carries 10 m3 of sand
Chapter 15, Problem 15-141(choose chapter or problem)
15-141. The earthmovcr initially carries 10 m3 of sand having a density of 1520 kg/m3. The sand is unloaded horizontally through a 2.5 nr dumping port P at a rale of 900 kg/s measured relative to the port. Determine the resultant tractive force F at its front wheels if the acceleration of the earthmover is 0.1 m/s2 when half the sand is dumped. When empty, the earthmover has a mass of 30 Mg. Neglect any resistance to forward motion and the mass of the wheels. The rear wheels are free to roll.
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