The Quantities Which Can be measured are called Physical Quantities.

The Following Quantities with Definition,Formula,Unit and Dimension are given below.

The Following Quantities with Definition,Formula,Unit and Dimension are given below.

Quantity | Definition | Formula | Units | Dimensions | |
---|---|---|---|---|---|

Length or Distance | fundamental | d | m (meter) | L (Length) | |

Time | fundamental | t | s (second) | T (Time) | |

Mass | fundamental | m | kg (kilogram) | M (Mass) | |

Area | distance^{2} | A = d^{2} | m^{2} | L^{2} | |

Volume | distance^{3} | V = d^{3} | m^{3} | L^{3} | |

Density | mass / volume | d = m/V | kg/m^{3} | M/L^{3} | |

Velocity | distance / time | v = d/t | m/s c (speed of light) | L/T | |

Acceleration | velocity / time | a = v/t | m/s^{2} | L/T^{2} | |

Momentum | mass × velocity | p = m·v | kg·m/s | ML/T | |

ForceWeight | mass × acceleration mass × acceleration of gravity | F = m·a W = m·g | N (newton) = kg·m/s^{2} | ML/T^{2} | |

Pressure or Stress | force / area | p = F/A | Pa (pascal) = N/m^{2} = kg/(m·s^{2}) | M/LT^{2} | |

Energy or WorkKinetic Energy Potential Energy | force × distance mass × velocity ^{2} / 2mass × acceleration of gravity × height | E = F·d KE = m·v ^{2}/2PE = m·g·h | J (joule) = N·m = kg·m^{2}/s^{2} | ML^{2}/T^{2} | |

Power | energy / time | P = E/t | W (watt) = J/s = kg·m^{2}/s^{3} | ML^{2}/T^{3} | |

Impulse | force × time | I = F·t | N·s = kg·m/s | ML/T | |

Action | energy × time momentum × distance | S = E·t S = p·d | J·s = kg·m^{2}/sh (quantum of action) | ML^{2}/T | |

Angle | fundamental | θ | ° (degree), rad (radian), rev 360° = 2π rad = 1 rev | dimensionless | |

Cycles | fundamental | n | cyc (cycles) | dimensionless | |

Frequency | cycles / time | f = n/t | Hz (hertz) = cyc/s = 1/s | 1/T | |

Angular Velocity | angle / time | ω = θ/t | rad/s = 1/s | 1/T | |

Angular Acceleration | angular velocity / time | α = ω/t | rad/s^{2} = 1/s^{2} | 1/T^{2} | |

Moment of Inertia | mass × radius^{2} | I = m·r^{2} | kg·m^{2} | ML^{2} | |

Angular Momentum | radius × momentum moment of inertia × angular velocity | L = r·p L = I·ω | J·s = kg·m^{2}/sћ (quantum of angular momentum) | ML^{2}/T | |

Torque or Moment | radius × force moment of inertia × angular acceleration | τ = r·F τ = I·α | N·m = kg·m^{2}/s^{2} | ML^{2}/T^{2} | |

Temperature | fundamental | T | °C (celsius), K (kelvin) | K (Temp.) | |

Heat | heat energy | Q | J (joule) = kg·m^{2}/s^{2} | ML^{2}/T^{2} | |

Entropy | heat / temperature | S = Q/T | J/K | ML^{2}/T^{2}K | |

Electric Charge +/- | fundamental | q | C (coulomb) e (elementary charge) | Q (Charge) | |

Current | charge / time | i = q/t | A (amp) = C/s | Q/T | |

Voltage or Potential | energy / charge | V = E/q | V (volt) = J/C | ML^{2}/QT^{2} | |

Resistance | voltage / current | R = V/i | Ω (ohm) = V/A | ML^{2}/Q^{2}T | |

Capacitance | charge / voltage | C = q/V | F (farad) = C/V | Q^{2}T^{2}/ML^{2} | |

Inductance | voltage / (current / time) | L = V/(i/t) | H (henry) = V·s/A | ML^{2}/Q^{2} | |

Electric Field | voltage / distance force / charge | E = V/d E = F/q | V/m = N/C | ML/QT^{2} | |

Electric Flux | electric field × area | Φ_{E} = E·A | V·m = N·m^{2}/C | ML^{3}/QT^{2} | |

Magnetic Field | force / (charge × velocity) | B = F/(q·v) | T (tesla) = Wb/m^{2} = N·s/(C·m) | M/QT | |

Magnetic Flux | magnetic field × area | Φ_{M} = B·A | Wb (weber) = V·s = J·s/C | ML^{2}/QT |

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