Discover
/
Article

A Moment of Gravity

FEB 01, 2002

DOI: 10.1063/1.1461340

Marcelo Alonso

In a note entitled “An Optical Stretcher” in Physics Update (Physics Today, November 2001, page 9 ), the term “center of gravity” is incorrect. The correct term is “center of mass.” Gravity has nothing to do with conservation of momentum.

More about the Authors

Marcelo Alonso. (alonso@iu.net) Florida Institute of Technology, Melbourne, Florida, US .

This Content Appeared In
pt-cover_2002_02.jpeg

Volume 55, Number 2

Related content
/
Article
/
Article
/
Article
/
Article
/
Article
/
Article

Get PT in your inbox

Physics Today - The Week in Physics

The Week in Physics" is likely a reference to the regular updates or summaries of new physics research, such as those found in publications like Physics Today from AIP Publishing or on news aggregators like Phys.org.

Physics Today - Table of Contents
Physics Today - Whitepapers & Webinars
By signing up you agree to allow AIP to send you email newsletters. You further agree to our privacy policy and terms of service.