Wednesday, August 16, 2017

solar wind - Radiation pressure question


If radiation pressure is a pressure exerted upon any surface exposed to electromagnetic radiation then why do planets such as the ones in our solar system maintain consistent orbits? I'm guessing the pressure must be very slight but in the vacuum of space wouldn't even the slightest pressure effect the consistency of any planets orbit?




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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 \...