Friday, October 25, 2019

Magnetic Fields of Stationary Magnets :: physics science magnet magnetic field

Missing figures/equations My goal in writing this paper is two fold. Goal one is to try and understand how a stationary magnet exerts force by means of a magnetic field (even across a complete vacuum). Frequently, electromagnetic fields are compared to the gravitational field. Goal two is to explore the similarities between the two types of fields to see if comparison throws any light on the mechanism of magnetic field generation. The term action-at-a-distance is often used to describe forces that travel through space and exert their effect without directly touching the objects acted upon. Newton's idea of instantaneous action-at-a-distance has been replaced by the modern action-at-a-distance which is transmitted at the speed of light so as to avoid conflict with Relativity Theory (Hoyle and Narlikar 1974). The term "field theory" either replaces action-at-a-distance or is used as the means by which action-at-a-distance transmits force. In this paper "field" will represent the means of transmitting forces such as electromagnetism and gravity, avoiding the need for the term action-at-a-distance. Magnetic fields are frequently compared to gravitational fields. Gravitational fields cause a curvature of space-time. That curvature of space-time provides a mechanism for the gravitational attraction between masses. A magnet also causes a curvature of space-time. In fact a magnet can cause space-time curvature in several distinct ways.

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