Contents:-
- Physical quantities
- understand that all physical quantities consist of a numerical magnitude and a unit
- make reasonable estimates of physical quantities included within the syllabus
- SI units
- recall the following SI base quantities and their units: mass (kg), length (m), time (s), current (A), temperature (K), amount of substance (mol)
- express derived units as products or quotients of the SI base units and use the named units listed in this syllabus as appropriate
- use SI base units to check the homogeneity of physical equations
- use the following prefixes and their symbols to indicate decimal submultiples or multiples of both base and derived units: pico (p), nano (n), micro (μ), milli (m), centi (c), deci (d), kilo (k), mega (M), giga (G), tera (T)
- understand and use the conventions for labelling graph axes and table columns as set out in the ASE publication Signs, Symbols and Systematics (The ASE Companion to 16–19 Science, 2000)
- Scalars and vectors
- distinguish between scalar and vector quantities and give examples of each
- add and subtract coplanar vectors
- represent a vector as two perpendicular components
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