Thursday, September 26, 2019

homework and exercises - How are the Lagrange points determined?


According to Hyper Physics, there are 5 equilibrium, or Lagrange points of the Earth-Moon system and only 2 of them are said to represent stable equilibrium points.


Lagrange Points


This made me think if there is an equation that describes this system, and from which Physics Laws was it derived?




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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 \...