Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# Physics Formulas

### (SOME) FORMULAS

Description | Formula / Other |
---|---|

PART 1 | SI BASIC UNITS |

Length | Metre (m) |

Mass | Kilogram (kg) |

Time | Second (s) |

Electric Current | Ampere (A) |

Amount of Substance | Mole (mol) |

Temperature (absolute) | Kelvin (K) |

Luminous intensity | Candela (cd) |

PART 2 | SI DERIVED UNITS |

Area | Square Metre (m^2) |

Volume | Cubic Metre (m^3) |

Density | Kilogram per Cubic Metre (kg m^(-3)) |

Velocity | Metre per Second (m s^(-1)) |

Force | Newton (N) or (kg m s^(-2)) |

Energy | Joule (J) or (N m) |

Power | Watt (W) or (J s^(-1)) |

Charge | Coulomb (C) or (A s) |

Potential difference | Volt (V) or (J C^(-1)) |

Electric field | Volt per Metre (V m^1) |

Electric resistance | Ohm (Ω) or (V A^(-1)) |

Capacitance | Farad (F) or (C V^(-1)) |

Magnetic field | Tesla (T) or (Wb m^(-2)) |

Illumination | Lux (lx) or (lm m^(-2)) |

PART 3 | PREFIXES |

Giga- | G (10^9) |

Mega- | M (10^6) |

Kilo- | k (10^3) |

Centi- | c (10^(-2)) |

Milli- | m (10^(-3)) |

Micro- | μ (10^(-6)) |

Nano- | n (10^(-9)) |

PART 4 | PHYSICAL CONSTANTS |

Acceleration due to Gravity (on Earth) | g = [9.8 m s^(-2)] or [9.8 N kg-1] |

Equatorial radius of the Earth | 6.4 × 10^6 m |

Speed of Light (in vacuum) | c = 3.00 × 10^8 m s^(-1) |

Charge on Electron | e = 1.60 × 10^(-19) C |

Proton mass | 1.67 × 10^(−27) kg |

Neutron mass | 1.67 × 10^(−27) kg |

Electron mass | 9.11 × 10^(−31) kg |

Avogadro's number | 6.02 × 10^(23) mol^(−1) |

Planck's constant | h = 6.626 × 10^(-34) J s OR 4.136 × 10^(-15) eV s |

Gravitational constant | G = 6.67 × 10^(-11) N m^2 kg^(-2) |

Speed of Sound (dry air) | 640 m s^(-1) (20 oC) |

Mass of the Earth | 6.0 × 10^24 kg |

Mass of the Sun | 2.0 × 10^30 kg |

Mass of the Moon | 7.3 × 10^22 kg |

PART 5 | GREEK LETTERS |

α | Alpha (alpha particle radiation) |

β | Beta (beta particle radiation) |

γ | Gamma (gamma radiation) |

Δ (upper case) | Delta ("a change in" a quantity) |

ε | Epsilon (electromotive force (EMF); electrical permittivity) |

Φ | Phi (magnetic flux) |

λ | Lambda (wavelength) |

μ | Mu (micro; magnetic permeability) |

ν | Nu (frequency) |

π | Pi (used in circular functions: the ratio of a circle's circumference to its diameter) |

θ | Theta (angles) |

ρ | Rho (resistivity) |

σ | Sigma (stress) |

τ | Tau (torque) |

ω (lower case) | Omega (angular velocity) |

Ω (upper case) | Omega (electrical resistance) |

Created by:
Doctor Moreau
on 2010-11-30