Resonance of motor on leaf spring

Experiment no.: 5.3.2
Resonanz von Motor auf Blattfeder
A motor with an eccentric mechanism is located on a leaf spring. If the motor is operated at a frequency that is close to the resonant frequency of the leaf spring, strong excitation of the leaf spring can be observed.
Comment: The video shows an out-dated set-up.

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Experiment
Eccentric

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