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Description

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Hierarchy of Models

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This model applies to a point particle subject to an external force that is either parallel or antiparallel to the particle's initial velocity. 


Page Contents


Assumptions and Limitations

Prior Models

  • Link to model pages that should be learned before this model.

Vocabulary

  • [frame of reference]
  • [position (one-dimensional)]
  • [velocity (one-dimensional)]
  • [acceleration (one-dimensional)]

Model Specification

System Structure

 

Internal Constituents: Point particle.

Environment: external agents interacting with the particle which are the responsible of the real forces acting on the particle. The total external force must be parallel or anti-parallel to the paticle's initial velocity.

Descriptors

Object Variables: none

State Variables: Time (t), position , and velocity (v).

Interaction Variables: acceleration a.

Laws of Interaction

Possible foces:

A force that depends on time

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$ \vec

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(t) $ 

A force that depend on the particle's position

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$ \vec

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$

A force that depend on the particle's velocity

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$\vec

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(v) $



Laws of Change

Example:

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\begin

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$v_

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= v_

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+ a (t_

- t_

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)$\end












Relevant Examples

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RELATE wiki by David E. Pritchard is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License.


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