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C.28.MR:3 - Forces
| Force | Tension |
|---|
| Local change and propagated effects | One equation changes directly; other variables may change through their retained mechanisms. |
| Mathematical construction and physical interpretation | A replacement can be well-defined mathematically while the proposed action affects additional mechanisms. |
| Compact models and time | An equilibrium or one-step account can answer one query while omitting the transient or feedback needed by another. |
| Shared conditions and random variation | A comparison needs its intended population and input dependence, including common causes. |
| Definite answers and affordable work | A requested comparison may be determined before every state or parameter is resolved. |