All other quantities are derived quantities and derived units and can be derived from the seven base quantities and units.For example (average) speed = distance ÷ time and the units are metres ÷ seconds.Distance and time can be measured and are base quantities.Speed is a derived quantity and cannot be measured, but can be calculated from distance and time.
Derived Quantities and Units.
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Specification: OCR Physics A (H156), AS-level, 2.1.2 S.I. units. Topic: Quantities and Units.
More in Quantities and Units
- Physical Quantities.
- SI Base Units.
- Prefixes.
- Scalar Quantities.
- Vector Quantities.
- Adding Perpendicular Vectors.
- Resolving Vectors into two Components.
- Adding Non-Perpendicular Vectors
All 10 lessons in Quantities and Units · All OCR AS-level Physics topics