Thursday, March 31, 2016

definition - What is the difference between the actual distance covered by a projected object and the displacement?


What is the difference between the actual distance covered by a projected object and the displacement?



A stone was projected with an angle of projection of 30 and it covered a horizontal distance of 6 meter find the velocity of the projection.





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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 \...