Home
Class 11
PHYSICS
A pillar of height 10 m carries a load o...

A pillar of height 10 m carries a load of 80 tonne.Calculate the contractions in length and in volume of the pillar. Area of cross section of the pillar is `100 cm^2`, Poisson's ratio of the material =0.2 and Young 's modulus =`1.96 times 10^11 N.m^-2`.

Text Solution

Verified by Experts

The correct Answer is:
0.4 cm, `24 cm^3`
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Assertion- reason type)|8 Videos

  • ELASTICITY

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Multiple correct answer type)|6 Videos

  • ELASTICITY

    CHHAYA PUBLICATION|Exercise EXERCISE ( Problem Set-II)|6 Videos

  • DOPPLER EFFECT IN SOUND

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|2 Videos

  • EXPANSION OF GASES

    CHHAYA PUBLICATION|Exercise CBSE Scanner|1 Videos

Similar Questions

Explore conceptually related problems

What amount of work must be done in stretching a wire, of length 1 m and of cross sectional area 1mm^2 , by 0.1mm? Young's modulus for the material =2 times 10^11 N.m^-2 .

What will be the increase in length of a steel wire of length 10 m and of diameter 2mm when subjected to a tension due to application of a load of 168 kg on it? Young's modulus of steel= 21 times 10^10 N.m^-2 .

The change in length of a wire of a circular cross section is found to be 0.01% due to longitudinal stress, IF the poisson's ratio for the material is 0.2, what is the percentage change in volume?

Calculate the change in length of a wire of length 5 m undergoing a strain of 1% of 0.1. IF the area of cross section of the wire is 1mm^2 and the load applied on it is 10 kg then find the ratio of stress to strain.

IF the work done in stretching a uniform wire, of cross section 1mm^2 and length 2m, by 1mm is 0.05 joule, find the young's modulus for the material of the wire.

Estimate the average drift velocity of conduction electron of a copper wire of cross section 2.0 times 10^-3 cm^2 carrying a current of 2.0A.Assume the density of conduction electrons to be 9 times 10^28 m^-3 .

CHHAYA PUBLICATION-ELASTICITY -EXERCISE ( Hots Numerical Problems)
  1. A light rod of length 300 cm and of radius 3 cm is hung vertically fro...

    Text Solution

    |

  2. When a load is applied to stretch a wire of length 200 cm, it gets elo...

    Text Solution

    |

  3. A pillar of height 10 m carries a load of 80 tonne.Calculate the contr...

    Text Solution

    |

  4. A body of mass 2kg and density 2.7 g. cm^-3 is suspended by a steel wi...

    Text Solution

    |

  5. When a load of 10 kg is suspended from one end of a wire of length 1m,...

    Text Solution

    |

  6. The radius of a copper wire is twice that of a steel wire. One end of ...

    Text Solution

    |

  7. Two rods of different materials but of the same sectional area have le...

    Text Solution

    |

  8. The mariana trench is located in the Pacific Ocean, and at one place i...

    Text Solution

    |

  9. A wire AB of radius 0.3 mm and length 300 cm is attached to a fixed su...

    Text Solution

    |

  10. The length of a spring is L and it elongates through l when a load W i...

    Text Solution

    |

  11. A steel wire of length 2 m and of diameter 0.8 mm is rigidly fixed at ...

    Text Solution

    |

  12. Length of a wire is 2l and its area of cross section is a. the wire is...

    Text Solution

    |

  13. A metallic strip has thickness 3 mm and breadth 4 cm. The strip is kep...

    Text Solution

    |

  14. The length of an unstretched elastic string is 2a. It is connected to ...

    Text Solution

    |

  15. The edge of an aluminium cube is 10 cm long. One face of the cube is f...

    Text Solution

    |

  16. What will be the density of lead at a pressure of 2 times 10^4 N.m^-2?...

    Text Solution

    |

  17. One end of a wire of initial length 1.5 is fixed at A and the other en...

    Text Solution

    |

  18. Four identical hollow cylindrical columns of mild steel support a big ...

    Text Solution

    |

  19. A 14.5 kg mass fastened to the end of a steel wire of unstretched leng...

    Text Solution

    |

  20. When a spring is stretched by a distance x, it exerts a force given by...

    Text Solution

    |