How do you derive Fleming's left hand rule? What is the theoretical explanation for the directions of the magnetic field, current and the force on the current for being oriented in that way relative to one another?
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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 \...
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It is always told as a fact without explaining the reason. Why do two objects get charged by rubbing? Why one object get negative charge and...
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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 \...
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Consider a gun or rifle fired directly upwards. My original question was what speed would be required to escape the Earth. The escape veloci...
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