Home
Class 11
PHYSICS
A wire elongates by l mm when a load W i...

A wire elongates by l mm when a load W is hanged from it. If the wire goes over a pulley and two weights W each are hung at the two ends, the elongation of the wire will be (in mm)

Promotional Banner

Topper's Solved these Questions

  • Mechanical Properties of Solids

    SL ARORA|Exercise Example|113 Videos
  • Mechanical Properties of fluids

    SL ARORA|Exercise Exercise|459 Videos
  • MECHANICS

    SL ARORA|Exercise Exercise|341 Videos

Similar Questions

Explore conceptually related problems

A wire elongastes by 1.0 mm when a load W ils hung from it. If this wire goes over a pulley and two weights W each are hung at the two ends the elongation of the wire will be

A wire elongates by l units, when a load w is suspended from it . If the wirew gets over a pulley ( equally on both the sides ) and two weights w each are hung at the two ends, the elongation of wire (in units ) will be

When a weight W is hung from one end of a wire of length L (other end being fixed), the length of the wire increases by l . If the same wire is passed over a pulley and two weights W each are hung at the two ends,what will be the total elongation in the wire?

When radius of wire is doubled, the elongation dl of the wire

A wire elongates by 8 mm when a load of 9 kg is suspended from it. What is the elongation when its radius is doubled, if all other quantites are the same as before ?

A wire elongates by 9 mm when a load of 10 kg is suspended from it. What is the elongation when its radius is doubled, if all other quantities are same as before?

A wire extends by 1 mm when a force a applied. Double the force is applied to another wire of some material and length but half the radius of cross-section. The elongation of the wire in mm will be

A body of mass M is attached to the lower end of a metal wire, whose upper end is fixed . The elongation of the wire is l .

When a load W is hung from a wire, it extends by Deltal . The heat produced in the process is

SL ARORA-Mechanical Properties of Solids-Example
  1. Graphite consists of planes of carbon atoms. Between atoms in the plan...

    Text Solution

    |

  2. Why does modulus of elasticity of most of the materials decrease with ...

    Text Solution

    |

  3. A wire elongates by l mm when a load W is hanged from it. If the wire ...

    Text Solution

    |

  4. A bar of cross-section A is subjected to equal and opposite tensile fo...

    Text Solution

    |

  5. A bar of cross-section A is subjected to equal and opposite tensile fo...

    Text Solution

    |

  6. A bar of cross section A is subjected to equal and opposite tensile fo...

    Text Solution

    |

  7. A bar of cross section A is subjected to equal and opposite tensile fo...

    Text Solution

    |

  8. A metallic wire is stretched by suspending weight to it. If alpha is t...

    Text Solution

    |

  9. A copper wire of negligible mass, 1 m length and cross-sectional area ...

    Text Solution

    |

  10. A load of 31.4 kg is suspended from a wire of radius 10^(-3) m and den...

    Text Solution

    |

  11. Alight rod of length 2 m is suspended horizontlly from the ceiling b...

    Text Solution

    |

  12. A thin rod of negligible mass and area of cross-section 4 xx 10^(-6)m^...

    Text Solution

    |

  13. A stone of 0.5 kg mass is attached to one end of a 0.8 m long aluminiu...

    Text Solution

    |

  14. A steel wire of length 4.87 mm and cross-section 3.0 xx 10^(-5) m^(2)...

    Text Solution

    |

  15. Two wires of diameter 0.25 cm, one made of steel and the other made of...

    Text Solution

    |

  16. The edges of an aluminum cube are 10 cm long. One face of the cube is ...

    Text Solution

    |

  17. Four identical hollow cylindrical cloumns of steel support a big struc...

    Text Solution

    |

  18. A piece of copper having a rectangular cross section of 15.2 xx 19.1 m...

    Text Solution

    |

  19. A steel cable with a radius of 1.5 cm support a chairlift at a ski are...

    Text Solution

    |

  20. A rigid bar of mass 15 kg is supported symmetrically by three wires ea...

    Text Solution

    |