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This Java applet shall demonstrate, as elongation, velocity, acceleration, force and energy change during the oscillation of a spring pendulum (assumed with no friction).
The "Reset" button brings the body of pendulum to the initial position. You can start or stop and continue the simulation with the other two buttons. If you choose the option "Slow Motion" the movement will be five times slower. The spring constant, the mass and the amplitude of the oscillation can be changed within certain limits. In order to select another physical size you must check the appropriate one of the five radiobuttons.
© Walter Fendt, May 24, 1998
Last update: June 13, 1998
Source file (German version): Federpendel.java