Asked by snowy

explain why the string stretches while the system is rotating?
Answered by drwls
What system?
How do you expect us to know what you are talking about?
Answered by Gadear
As the system rotates, the mass is moved in a circle which means that there is a net force acting on it and is directed towards the center. That force is provided by the spring which has to be streched in order to provide the force needed.
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