Catapult Description of Magnetic Fields and Forces

McCall, Martin W. and Kinsler, Paul and Tymms, Vijay (2019) Catapult Description of Magnetic Fields and Forces. Physics Teacher. ISSN 1943-4928 (In Press)

Text (Catapult Description of Magnetic Fields and Forces)
McCall_KT_2019arxiv_catmag.pdf - Accepted Version
Available under License Creative Commons Attribution-NonCommercial.

Download (280kB)


The `catapult' picture for the forces on current-carrying wires in magnetic fields is a popular teaching aid, but its accuracy and utility are seriously questionable.

Item Type:
Journal Article
Journal or Publication Title:
Physics Teacher
Additional Information:
Copyright 2019 American Institute of Physics. The following article [url] This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
ID Code:
Deposited By:
Deposited On:
29 Apr 2020 15:25
In Press
Last Modified:
24 Sep 2020 05:10