book:chap1:1.1_basic_notions_of_mechanics
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| book:chap1:1.1_basic_notions_of_mechanics [2022/04/01 19:26] – jv | book:chap1:1.1_basic_notions_of_mechanics [2024/10/26 12:19] (current) – jv | ||
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| + | [[basics| 1. Basic Principles]] | ||
| * **1.1 Basic notions of mechanics** | * **1.1 Basic notions of mechanics** | ||
| * [[ 1.2 Dimensional analysis ]] | * [[ 1.2 Dimensional analysis ]] | ||
| Line 43: | Line 44: | ||
| <WRAP box round> | <WRAP box round> | ||
| - | We wish to follow the trajectory of a piece of chalk through the lecture hall. | + | We wish to follow the trajectory of a piece of chalk through the lecture hall (i.e., when it is thrown, **not** when somebody is using it to write on a blackboard). |
| In order to follow its position and orientation in space, we //decide// to model it | In order to follow its position and orientation in space, we //decide// to model it | ||
| as a set of two masses that are localized at the tip and at the tail of the chalk. | as a set of two masses that are localized at the tip and at the tail of the chalk. | ||
book/chap1/1.1_basic_notions_of_mechanics.1648834004.txt.gz · Last modified: 2022/04/01 19:26 by jv