Wednesday, May 16, 2018

newtonian mechanics - Work power and energy


When you push your bicycle up on an inclined the potential energy of the bicycle and yourself increases. Where does this energy come from?





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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 \...