Forces between two current elements and Newton's third law(adsbygoogle = window.adsbygoogle || []).push({});

Consider two non parallel wires each carrying a current which located at one plane surface. According to electromagnetic theory, the forces between two straight and solid wires mentioned can be estimated as follow: F= i . (L x B) Where the "F" is force vector that applied to each wire and "L" and "B" are current path vector and flux density vector respectively. Also "i" is amount of current and "x" is vector multiply symbol.Therfore the vector of forces are perpendicular to "L" or wires body. Whereas two wires are not parallel, generally that mentioned forces which applied to wires can not be parallel. As you see we have two piece of material that apply two mutual forces to each other which are not alien and this is inconsistent with Newton's third law seemingly. What is your opinion?

REGARDS

MSJ

--------------------------------------------------------------------------------

Creative thinking is enjoyable,Then think about your surrounding things and other thought products. http://electrical-riddles.com

**Physics Forums - The Fusion of Science and Community**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Forces between two current elements and Newton's third law

Loading...

Similar Threads - Forces between current | Date |
---|---|

Need help doing force calculations with magnetism (between magnets) | May 28, 2017 |

Mutual force between AC current carrying wires | Sep 28, 2015 |

How can I calculate the force between finite coil and metal plate? | Aug 1, 2014 |

Mathematical Link between Kinetic Force & Electro-Magnet's charge. | Jun 8, 2013 |

How to get force between two permanent magnets using ANSYS? | May 15, 2010 |

**Physics Forums - The Fusion of Science and Community**