7. Friction, Inclines, Systems
Inclined Planes
Problem 4.73
Textbook Question
Textbook QuestionA parent pulls his child in a wagon across a floor. The child and wagon have a combined mass of 35 kg. The wagon handle is inclined at 55° to the horizontal, and the child and wagon (whose wheels are nearly frictionless) are accelerating at 0.42m/s² . With what force is the parent pulling on the wagon handle?
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