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Classical Physics
Car Crash Physics: Deceleration Calculations
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[QUOTE="sophiecentaur, post: 6849253, member: 199289"] Oh yes that's true over a certain range. But there is no single yield point involved and neither is there an identifiable k value; the Energy is dissipated, not stored because there is (ideally) a minimum of resilience in a crumple zone. Bounce back is just a nuisance for designers (and passengers). Could you suggest what value of spring constant could be applied here? If a car plunges into a gravel trench at an emergency run-off, there is no identifiable spring-like action; it's just all Energy loss and that's what happens when the mild steel of the car body is deformed. Why should Hooke's Law be involved, particularly? [/QUOTE]
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Car Crash Physics: Deceleration Calculations
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