Tuesday, May 24, 2016

When can a force be an Impulsive force?


A large force which is applied for a short time is called an Impulsive force according to books. But is it the only condition for an Impulsive force? Are there some other conditions? Can we say that that a large force acting for a large time be impulsive?




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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 \...