Walk. To start walking horizontally, a person must accelerate their body forward using static friction. A person can reach a speed of 2.0 m / s in a distance of 30 cm, starting from rest. Assuming constant acceleration, a) draw a force diagram for the start of the ride. (b) Apply Newton's second law to find the minimum static friction coefficient for the ride described. (c) If you want to walk faster, would you need more or less friction? Why? (d) Assume that the ground is slippery and that the coefficient of friction is less than that calculated previously. Explain why it is still possible to walk, but the walk will be much more tiring.
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Walk. To start walking horizontally, a person must accelerate their body forward using static friction. A...
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