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Quantities & Units |
Here are a selection of quantities that you will have met:
Quantity | Symbol | Unit |
mass | m | kilogram, kg |
distance | d | metre, m |
time | t | second, s |
current | I | amp, A |
voltage | V | volts, V |
resistance | R | ohm, |
force | F | newton, N |
area | A | square-metre, m² |
energy | E or W | joule, J |
power | P | watt, W |
Use the symbol when writing an equation.
Use the unit when describing how much of something there is.
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