Monday, June 11, 2018

forces - Am I attracting Pluto?


My question is simple: as the title says, am I exerting a force over for example Pluto, although it is a very small force, it is there, right?


Or maybe let's go further: Am I exerting a gravity force on everything in this universe, for example the farthest galaxy that we know?




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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 \...