ms-1

(metres per second) Speed

Velocity ms-1

(metres per second)

+ direction

m (metres)

Distance

Displacement

m (metres)

+ direction

LC Physics – Units of Measurement

ms-2 (metres per second

squared)

Acceleration

Momentum kg ms-1

(kilograms metres per second)

N (Newtons)

Force

Weight N (Newtons)

LC Physics – Units of Measurement

N (Newtons)

Friction

Work J (Joules)

J (Joules)

Energy

Kinetic Energy

J (Joules)

LC Physics – Units of Measurement

J (Joules)

Potential Energy

Power W (Watt)

kg m-3 (kilograms per metre cubed)

Density

Pressure

Nm-2 (Newtons per

metre squared)

or

Pa (Pascals)

LC Physics – Units of Measurement

m-3 (metres cubed)

Volume

Angular Velocity

rad s-1 (radians per second)

ms-1 (metres per second)

Linear Velocity

Centripetal Acceleration

ms-2 (metres per

second squared)

LC Physics – Units of Measurement

N (Newtons)

Centripetal Force

Universal Gravitation Constant “G”

Nm2kg-2 (Newton metres squared

per kilogram squared)

m (metres)

Radius

Diameter m (metres)

LC {INSERT SUBJECT HERE} – Key Definitions

ms-2 (metres per

second squared)

Acceleration due to Gravity

Periodic Time

s (seconds)

kg (kilograms)

Mass

Spring Constant “k”

Nm-1

(Newtons per metre)

LC Physics – Units of Measurement

K (Kelvin)

Temperature

Heat Energy J (Joules)

J kg-1 K-1 (Joules per kilogram per Kelvin)

Specific Heat Capacity

Time s (seconds)

LC Physics – Units of Measurement

J kg-1 (joules per kilogram)

Specific Latent Heat of Fusion

Specific Latent Heat of Vaporisation

J kg-1 (joules per kilogram)

° (Degrees from normal)

Angle of Incidence

Angle of Reflection/Refraction

° (Degrees from normal)

LC Physics – Units of Measurement

m (metres)

Object Distance “u”

Image Distance “v”

m (metres)

m (metres)

Focal Length “f”

Magnification No units!

LC Physics – Units of Measurement

No units!

Refractive Index

Speed of light “c”

ms-1

(metres per second)

m (metres)

Wavelength

Amplitude m (metres)

LC Physics – Units of Measurement

Hz (Hertz)

Frequency

Tension N (Newtons)

kg m-1 (kilograms per metre)

Mass per Unit Length “𝜇”

Sound Intensity

Wm-2 (Watts per metre squared)

LC Physics – Units of Measurement

dB (decibels)

Sound Intensity Level

Charge C (Coulomb)

NC-1 (Newtons per Coulomb)

Electric Field Strength

Potential Difference

V (volt)

LC Physics – Units of Measurement

F (Farad)

Capacitance

Permittivity “ε” F m-1

(Farads per metre)

A (Ampere)

Current

Resistance Ω (Ohms)

LC Physics – Units of Measurement

Ωm (Ohm metre)

Resistivity “ρ”

Magnetic Flux Density

T (Tesla)

Wb (Weber)

Magnetic Flux “ϕ”

Planck’s Constant “h”

J s-1 (Joules per second)

LC Physics – Units of Measurement

Bq (Becquerel)

Activity

Decay Constant “λ”

s-1 (per second)

s (seconds)

Half Life “T1 2⁄ ”

Power of a Lens

m-1 (Dioptre)

LC Physics – Units of Measurement