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ERIC Number: EJ1115436
Record Type: Journal
Publication Date: 2016-Sep
Pages: 4
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0031-921X
Mechanical Energy Change in Inertial Reference Frames
Ghanbari, Saeed
Physics Teacher, v54 n6 p360-363 Sep 2016
The mechanical energy change of a system in an inertial frame of reference equals work done by the total nonconservative force in the same frame. This relation is covariant under the Galilean transformations from inertial frame S to S', where S' moves with constant velocity relative to S. In the presence of nonconservative forces, such as normal and tension forces, the mechanical energy of a system can be conserved in S and not be conserved in S'. In this paper we find useful relations between the mechanical energy changes in two inertial frames of reference.
American Association of Physics Teachers. One Physics Ellipse, College Park, MD 20740. Tel: 301-209-3300; Fax: 301-209-0845; e-mail: pubs@aapt.org; Web site: http://scitation.aip.org/tpt
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A