Journal
Scientific and technical journal of information technologies, mechanics and optics
UDK531.44; 534.014; 53.072; 001.891.57; 372.853
Issue:5 (87)
EXPERIMENTAL LEARNING METHOD OF SPRING PENDULUM DAMPED OSCILLATIONS ON AN INCLINED PLANE
Annotation
The article deals with laboratory research model for damped oscillations of a spring pendulum on the inclined plane in the presence of sliding friction in system. This model is an example of non-exponential nature of the harmonic oscillations attenuation which explanation is possible within a general physics course. It is shown that oscillations of such pendulum take place with the constant frequency, equal to own fluctuations of a spring pendulum, meanwhile oscillation amplitude decreases by identical size every half-period. On the basis of the offered research technique it is possible to define the sliding friction force. The offered didactic model is realized in the form of two laboratory works: computer and natural. The works promote expansion of students’ representations about research methods of damping oscillations in systems with various nature of the environment resistance.
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