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What is mass?

John Roche

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Efforts after Newton to reform the concept of mass have not been entirely successful. The unitary Newtonian concept has now fragmented into various 'masses', including inertial mass, active gravitational mass and passive gravitational mass. This paper attempts to clarify the concept of mass.


PACS

45.20.D- Newtonian mechanics

01.65.+g History of science

Subjects

Mathematical physics

Education and communication

Dates

Issue 2 (March 2005)

Received 4 June 2004, in final form 22 November 2004

Published 11 January 2005



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