The Effect of Bungee Cord’s Parameters on the Safety of Bungee Jumpers

Cheng CHEN, Keya DENG, Xinhui FAN, Hui WANG


An abstract physical model is created to study the motion of a bungee jumper during a jump. With this model, the trajectory of the jumper is traced and the equations of motion are provided to describe the jumper’s motion in detail. After the initial parameters of jumping are set, the jumper’s trajectory is traced for different values of spring constant of the bungee cord, in order to investigate its effect on the jumper’s safety. Later, Then a simulation experiment was performed with MATLAB in order to analyze the jumper’s safety. The results can be used as a basis for assessing whether the spring constant of a bungee cord can guarantee the safety of jumpers under certain conditions. The study is expected to provide useful guidance on how to improve the safety of participants in this sport.


Bungee jumping; Bungee cord; Spring constant; Safety

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