Wednesday, October 10, 2018

gravity - Would you be weightless at the center of the Earth?


If you could travel to the center of the Earth (or any planet), would you be weightless there?




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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 \...