### About

### For Teachers

- motionofpersonning.mp4

- .DS_Store

### Software Requirements

Android | iOS | Windows | MacOS | |

with best with | no | no | need Java |
need Java |

support full-screen? | no | no | Yes | Yes |

cannot work on | no mobile browser understand Java.... |
no mobile browser understand Java.... | install Tracker from http://physlets.org/tracker/ |
install Tracker from http://physlets.org/tracker/ |

### Credits

Author: This email address is being protected from spambots. You need JavaScript enabled to view it.

Contact: This email address is being protected from spambots. You need JavaScript enabled to view it.

### end faq

### Video

https://youtu.be/ZFyy3LYPVIg tracker modeling explained by lookang lawrence wee

### Tracker Motion of Person Progressive Model Building Pedagogy

## model A no force

http://weelookang.blogspot.sg/2015/06/tracker-motion-of-person-progressive.html TRZ Download, Download2 Video Download, Download2 author video: ning, model: lookang when fx = 0 , there is no motion, vx =0 |

author video: ning, model: lookang when fx = 0 , there is no motion, vx =0, note that y = -0.1 is for visualization purposes. |

## model B constant speed

author video: ning, model: lookang when fx = 0 , there is no motion, vx =1.54, note that y = -0.2 is for visualization purposes |

## model C accelerate

\( \frac{1}{2}a \)

author video: ning, model: lookang when fx = 0.965*2 , and initial vx = 0.2898, there is constant acceleration motion,, note that y = -0.3 is for visualization purposes |

## model D accelerate fx = 0.965*2 N for t = 0 to 0.8 s and constant speed v =1.83 m/s for t> 0.8 s

author video: ning, model: lookang when fx = if(t<0.8,0.965*2,0) , and initial vx = 0.2898, there is constant acceleration motion,, note that y = -0.4 is for visualization purposes |

Tracker Motion of Person Progressive Model Building Pedagogy is made clear by lookang.

many thanks to the Open Source Physics community, +Douglas Brown and many more of them

### end faq

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- Details
- Parent Category: 02 Newtonian Mechanics
- Category: 02 Dynamics
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