Action: Forcing Energy to Predict Motion | Zendy

Dwight E. Neuenschwander | Zendy; Edwin F. Taylor | Zendy; Slavomir Tuleja | Zendy

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Action: Forcing Energy to Predict Motion

Author(s) -

Dwight E. Neuenschwander,

Edwin F. Taylor,

Slavomir Tuleja

Publication year - 2006

Publication title -

the physics teacher

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.411

H-Index - 38

eISSN - 1943-4928

pISSN - 0031-921X

DOI - 10.1119/1.2173320

Subject(s) - action (physics) , classical mechanics , spacetime , physics , energy–momentum relation , motion (physics) , general relativity , scalar (mathematics) , theory of relativity , forcing (mathematics) , momentum (technical analysis) , quantum , newton's laws of motion , theoretical physics , mathematics , quantum mechanics , geometry , atmospheric sciences , finance , economics

In this paper we use scalar energy, rather than vector force and momentum, to predict how a particle will move. The result is a quantity called action. Action and its relatives undergird Newton's laws and transcend them, also predicting motion in the quantum world and in the curved spacetime of general relativity. An example exhibits action in action.

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