### Discussion :: Strength of Materials - Section 1 (Q.No.26)

Pradhyumna said: (Oct 6, 2013) | |

By applying torsion equation, Tau/R = T/Polar moment of inertia = C theta/L. |

Mayuri said: (Dec 31, 2014) | |

t/j = q/r. t = q*j/r. But j/r = z. i.e polar modulus. |

Dhrubajyoti Ray said: (Oct 4, 2015) | |

Please show me the whole torsion derivation in details. |

Krishna said: (May 12, 2016) | |

T/J = G0/L = t/r. Therefore T = t*J/r. J/r is the polar modulus. |

Roy said: (Sep 11, 2017) | |

For Bending moment it is, section modulus and for twisting moment it is polar modulus. |

Siddharth said: (Apr 15, 2021) | |

Z*q = Polar modulus where z= j/r. |

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