Thread oscillation with Cobra SMARTsense

Article no. P1004769 | Type: Experiments

Pupils
easy
grades 7-10
10 Minutes
10 Minutes

Principle
By plucking a rope, vibrations are excited on it. These are acoustically perceptible, similar to a guitar, and cause a periodic change in force at the suspension point of the rope.
Benefits

  • Especially understandable and didactically prepared description of the experiment (relevance to everyday life, etc.) including protocol questions.
  • Future-oriented teaching: Integration into digital science lessons with tablets or smartphones.
  • Increased motivation of students by using the intuitive measureAPP.
  • Increased media competence.

Tasks

  • Stimulate vibrations on the thread by hand and perceive them acoustically for different rope tensions.
  • Measure with the help of the force sensor the vibration of the thread for different tensions.

Learning objectives
The students should excite vibrations on a thread and learn how the period and frequency depend on the tension in the thread.

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p1004769_fr .pdf
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p1004769_ru .pdf
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