Home » English riddles » General Subjects » Electrical riddle no.6 – Forces between two current elements and Newton's third law » Reply To: Electrical riddle no.6 – Forces between two current elements and Newton's third law Reply To: Electrical riddle no.6 – Forces between two current elements and Newton's third law 2021-08-03 at 11:08 am #1173 Greg Basic definition The classical definition of angular momentum as L=r