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Force-versus-time curves during collisions between two identical steel balls
American Journal of Physics
We describe a numerical procedure for plotting the force-versus-time curves in elastic collisions between identical conducting balls. A system of parametric equations relating the force and the time to a dimensionless parameter is derived from the assumption of a force compatible with Hertz's theory of collision. A simple experimental arrangement consisting of a mechanical system of colliding balls and an electrical circuit containing a crystal oscillator and an electronic counter is used todoi:10.1119/1.2173276 fatcat:ekbv5icc3na4jgcibaar243434