Some sports and levels of those sports are more complicated than others, so let's use a simple example.Let's assume that the ratio of the force on shoe soles to the weight of a female runner is approximately 3 to 1.A new design is under construction.If the target runner is a 100- to 130-pound female, how much exertion is likely on the sole of the shoe? How did you calculate this ratio?

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To determine the exertion on the sole of the shoe for a female runner weighing between 100 and 130 p... View the full answer