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Sectional density (often abbreviated SD) is the ratio of an object's mass to its cross sectional area with respect to a given axis. It conveys how well an object's mass is distributed (by its shape) to overcome resistance along that axis.
Applications & Measurement
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sectional density mass kilograms square ballistics per projectile axis kg grams area units pounds small cross object's unit m2 millimeter
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Sectional density | Other units | kilograms per square centimeter (kg/cm2) grams per square millimeter (g/mm2) pounds per square inch (lbm/in2) | 1.00 | infobox |
| Sectional density | SI unit | kilograms per square meter (kg/m2) | 1.00 | infobox |
| Sectional density | related to English units | In | 0.60 | section |
| Sectional density | related to English units | English | 0.60 | section |
| Sectional density | related to English units | The | 0.60 | section |
| Sectional density | related to Formula | In | 0.60 | section |
| Sectional density | related to Formula | SD | 0.60 | section |
| Sectional density | related to Use in ballistics | The | 0.60 | section |
| Sectional density | related to Use in ballistics | Within | 0.60 | section |
| Sectional density | related to Use in ballistics | Sectional | 0.60 | section |
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