What are S.I. Units and why do we need them? Teacher Zyen explains it in this video.
Here is a list of S.I. Units of some common physical quantities.
Physical Quantity | S.I. Unit |
Length | metre (m) |
Time | second (s) |
Mass | kilogram (kg) |
Temperature | Kelvin (K) |
Electric current | Ampere (A) |
Voltage | Volt (V) |
Resistance | ohm (Ω) |
Force / Weight | Newton (N) |
Pressure | Pascal (Pa) |
Energy | Joule (J) |