In electronics they commonly teach volt and amp pressures as water pressure form a water tower to give feel and understanding for what cannot see, that happens anyway with electricity.  By extension of force is force and can be compared to understand philosophy; there are parallel utility needs and thus services applied by their functions in rope as seen in electric.  This offers a simple comparison between these force engineerings of electric force thru wire as tension thru rope to cross verify how they each work etc.
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