Friday, August 3, 2018

angular momentum - What causes precession or nutation in a spinning object?




  1. What causes precession in a spinning object?





  2. What causes nutation in a spinning object?




  3. What causes a top, gyroscope, and the earth to wobble?




Just because it's a simple question, I'm not expecting a simple answer, but please do summarize whatever you say in laymen terms, thanks.




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...