BRAINCAKESI Base Units.
Scientists all over the world use the same system of units, called SI units. SI stands for Système International d'Unités.
The system is built on seven base quantities, each with its own base unit: length (metre, m), mass (kilogram, kg), time (second, s), electric current (ampere, A), temperature (kelvin, K), amount of substance (mole, mol) and luminous intensity (candela, cd).
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More in Quantities and Units
- Physical Quantities.
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- Derived Quantities and Units.
- 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