Home
Class 11
PHYSICS
A mild steel wire of length 2L and cross...

A mild steel wire of length 2L and cross sectional area A is stretched, well within elastic limit, horizontally between two pillars. A mass m is suspended from the mid point of the wire. The mid point is lowered by x. Strain in the wire is

A

`(x^2)/(2L^2)`

B

`x/L`

C

`(x^2)/(L)`

D

`(x^2)/(2L)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH SERIES|Exercise EXERCISE -IA (MATCHING)|4 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH SERIES|Exercise EXERCISE -IA (ASCENDING OR DESCENDING ORDER)|4 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH SERIES|Exercise EXERCISE - 3|26 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH SERIES|Exercise EXERCISE-3|43 Videos

  • MOTION IN A PLANE

    AAKASH SERIES|Exercise Practice Exercise|84 Videos

Similar Questions

Explore conceptually related problems

A steel wire of length 1.5 m and area of cross section 1.5mm^2 is stretched by 1.5cm. Then the work done per unit volume.

A steel wire of area of cross-section A and length 2L is clamped firmly between two points seperated by a distance .2L.. A body is hung from the middle point of the wire such that the middle point sags by a distance x. Calculate the mass of the body and the angle made by string with the horizontal

A metal wire of length l and cross-sectional area A has mass m. It is stretched by an amount .e. by a load of mass M. If the wire breaks at the point of suspension due to the load then find the rise in temperature of the wire?

AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE -IA
  1. A rigid bar of mass M is supported symmetrically by three wires each o...

    Text Solution

    |

  2. Consider two cylindrical rods of identicaly dimensions, one of rubber ...

    Text Solution

    |

  3. A mild steel wire of length 2L and cross sectional area A is stretched...

    Text Solution

    |

  4. The stress-strain graphs for two materials are as shown.

    Text Solution

    |

  5. A wire is suspended from the ceiling and stretched under the action of...

    Text Solution

    |

  6. A copper wire and a steel wire of the same diameter and length are con...

    Text Solution

    |

  7. The Young's modulus of steel is more than that of rubber. For a given ...

    Text Solution

    |

  8. A wire of length 'L' and cross sectional area 'A' is made up of a mate...

    Text Solution

    |

  9. K is the force constant of a spring. The work done is increasing its e...

    Text Solution

    |

  10. Work done per unit volume is stretching a wire

    Text Solution

    |

  11. Which has more Young's modulus, a thin steel wire or thick steel wire

    Text Solution

    |

  12. The strain stress curves of three wires of different material as shown...

    Text Solution

    |

  13. The load verses elongation graph for four wires of the same material i...

    Text Solution

    |

  14. The property due to which a material can be hammered into thin sheet i...

    Text Solution

    |

  15. A beam of metal supported at the two ends is loaded at the centre. The...

    Text Solution

    |

  16. The potential energy U between two molecules as a function of the dist...

    Text Solution

    |

  17. A uniform rod is fixed at one end to a rigid support, its temperature ...

    Text Solution

    |

  18. Which of the following statements are correct? a) A wire is stiff...

    Text Solution

    |

  19. Identify the correct answer. When a very long rod suspended in ai...

    Text Solution

    |

  20. Identify the correct answer. When a wire is stretched to double its le...

    Text Solution

    |