Home
Class 11
PHYSICS
An elastic spring of unstretched length ...

An elastic spring of unstretched length `L` and force constant `K` is stretched by amoun t `x` .It is further stretched by another length `y` The work done in the second streaching is

A

`(1)/(2)ky^(2)`

B

`(1)/(2)k(x^(2)+y^(2))`

C

`(1)/(2)k(x+y)^(2)`

D

`(1)/(2)ky(2x+y)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF FLUIDS

    DISHA|Exercise Physics|44 Videos

  • MOTION IN A PLANE

    DISHA|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

An elastic spring of unstretched length L and spring constant K is stretched by a small length x. It is further stretched by another small length y. the work done in second stretcing is

A string of length L and force constant k is stretched to obtain extension l. It is further stretched to obtain extension l_(1) . The work done in second streching is

STATEMENT-1: An elastic spring of force constant k is stretched by a small length x. The work done in extending the spring by a further length x is 2kx^(2) . because STATEMENT-2: The work done in extending an elastic spring by a length x is proportional to x^(2) .

A spring, which is initially in its unstretched condition, is first stretched by a length x and then again by a further length x. The work done in the first case is W_(1) and in the second case is W_(2) .

A wire fixed at the upper end stretches by length l by applying a force F. The work done in stretching is

DISHA-MECHANICAL PROPERTIES OF SOLIDS-PHYSICS
  1. In materials like aluminium and copper, the correct order of magnitude...

    Text Solution

    |

  2. What percent of length of a wire will increses by applying a stress f...

    Text Solution

    |

  3. An elastic spring of unstretched length L and force constant K is stre...

    Text Solution

    |

  4. Two, spring P and (Q) of force constants K(p) and k(Q)(k(Q)=(kp)/2)are...

    Text Solution

    |

  5. The pressure that has to be applied to the ends of a steel wire of len...

    Text Solution

    |

  6. A steel ring of radius r and cross section area A is fitted on to a wo...

    Text Solution

    |

  7. Two wires A and B of same material and of equal length with the radii ...

    Text Solution

    |

  8. A material has Poisson ratio 0.5. If a rod of material has a longitudi...

    Text Solution

    |

  9. The upper end of a wire of diameter 12mm and length 1m is clamped and ...

    Text Solution

    |

  10. The pressure on an object of bulk modulus B undergoing hydraulic compr...

    Text Solution

    |

  11. A structural steel rod has a radius of 10 mm and length of 1.0 m. A 10...

    Text Solution

    |

  12. A beam of metal supported at the two edges is loaded at the centre. Th...

    Text Solution

    |

  13. When a 4 kg mass is hung vertically on a light string that obeys Hooke...

    Text Solution

    |

  14. The length of a metal wire is l(1) when the tension in it is T(1) and ...

    Text Solution

    |

  15. The bulk moduli of ethanol, mercury and water are given as 0.9, 25 "an...

    Text Solution

    |

  16. The graph given is a stress-strain curve for

    Text Solution

    |

  17. A metal rod of Young's modulus 2xx10^(10)Nm^(-2) undergoes an elastic ...

    Text Solution

    |

  18. Two wires of the same material and length but diameters in the ratio 1...

    Text Solution

    |

  19. The length of an elastic string is a metre when the longitudinal tens...

    Text Solution

    |

  20. A force of 103 newton, stretches the length of a hanging wire by 1 mil...

    Text Solution

    |