Symbol | Description | Units |

A | Cross Section Area | m^{2} |

a | Acceleration | m/sec^{2} |

D | Diameter | m ^{2} |

e | Energy | Joule (N.m) |

e | Strain | - |

E | Young's Modulus | N/m^{2} |

F | Force | N |

G | Shear Modulus .. Modulus Of Rigity | N/m^{2} |

I | Second Moment of Area of a Section about its Neutral Axis | m^{4} |

I | Mass Moment of Inertia of a body about its axis of Rotation | kg.m^{2} |

J | Polar Moment of Inertia | m^{4} |

J | Mass Moment of Inertia of a body about its axis of Rotation | kg.m^{2} |

m | Mass | kg |

M | Moment | N.m |

p | Tensile/Compressive Stress | N/m^{2} |

P | Pressure | N/m^{2} |

q | Shear Stress | N/m^{2} |

R | Radius | m |

s | Distance | m |

t | Time | sec |

t | Thickness | m |

T | Torque | N.m |

v | Velocity | m / s |

W | Work Done | Joule (N.m) |

W | Beam Load | N |

w | Beam Distributed load | N /m |

x | Distance x direction | m |

y | Distance y direction | m |

α | Angular Acceleration | s^{-2} |

ε | Shear Strain | Radian |

θ | Angle | Radian |

ν | Poisson's Ratio | - |

π | Circumference/ Diameter | 3.14159 (approx) |

σ | Stress | N / m^{2} |

τ | Shear Stress | N/m^{2} |

ω | Angular Velocity | sec^{-1} |