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Suppose the principle of crashworthy of cars based on the basic principle of magnet, that is, "Opposite attrats, homogeneity repels". Without considering other factors, supposing cars are like magent with the north and south poles and both conform to this basic principle. Therefore, when the two cars approach the dangerous diatance, "the system of arashworthy" will engender the homogeneity according to the extent of danger and start the brake system to reach the cushion speed and maximumly reduce the loss of the accidents.
Changsha University of Technology
Chinno Industrial Design Co.,Ltd