Home
Class 11
PHYSICS
Two equal masses are attached to the two...

Two equal masses are attached to the two ends of a spring of spring constant k. The masses are pulled out ,YI)l~etri~ally to ~tretch the spring by a length· x over its natural length. The work done by the spring on each mass is:

A

`(1)/(2) kx^(2)`

B

`- (1)/(2) kx^(2)`

C

`(1)/(4) kx^(2)`

D

`- (1)/(4) kx^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    ANURAG MISHRA|Exercise Level 2|18 Videos
  • WORK AND ENERGY

    ANURAG MISHRA|Exercise Level 3|34 Videos
  • WORK AND ENERGY

    ANURAG MISHRA|Exercise Eample|47 Videos
  • UNIT AND DIMENSIONS

    ANURAG MISHRA|Exercise Matching Type Problem|4 Videos

Similar Questions

Explore conceptually related problems

Two equal masses are attached to the two ends of a spring of spring constant k. The masses are pulled out symmetrically to stretch the spring by a length x over its natural length. The work done by the spring on each mass is

Two equal masses are attached to the two ends of a spring of spring constant k . The masses are pulled a part symmetrically to stretch the spring by a length x over its natural length. The work done by the spring on each mass is.

Two equal masses are attached to the two end of a spring of force constant k the masses are pulled out symmetrically to stretch the spring by a length 2x_(0) over its natural length. Find the work done by the spring on each mass.

When a 20 g mass hangs attached to one end of a light spring of length 10 cm, the spring stretches by 2 cm. The mass is pulled down until the total length of the spring is 14 cm. The elastic energy, (in Joule) stored in the spring is :

An object of mass m, oscillating on the end of a spring with spring constant k has amplitude A. its maximum speed is

a block of mass 0.1 kg attached to a spring of spring constant 400 N/m pulled horizontally from x=0 to x_1 =10 mm. Find the work done by the spring force

Two masses m and 2m are attached to two ends of an ideal spring as shown in figure. When thye spring is in the compressed state, the energy of the spring is 60 J, if the spring is released, then at its natural length

ANURAG MISHRA-WORK AND ENERGY-Level 1
  1. A heavy stone is thrown from a cliff of height h with a speed .v. The...

    Text Solution

    |

  2. Two springs A and B (k(A) = 2k(B)) are stretched by applying forces of...

    Text Solution

    |

  3. Two equal masses are attached to the two ends of a spring of spring co...

    Text Solution

    |

  4. The negative of the work done 'by the conservative internal forces on ...

    Text Solution

    |

  5. The work done by the external forces on a system equals the change in

    Text Solution

    |

  6. The work done by all the forces (external and internal) on a system eq...

    Text Solution

    |

  7. of a two particle system depends only on the separation between the tw...

    Text Solution

    |

  8. A block of mass m slides down a smooth vertical circular track. During...

    Text Solution

    |

  9. A particle is rotated in a vertical circle by connecting it to a strin...

    Text Solution

    |

  10. In the shown diagram mass of A is m and that of B is 2 m. All the surf...

    Text Solution

    |

  11. In above question, speed of block A, when the extension in spring is (...

    Text Solution

    |

  12. A chain of length L and mass Mis arranged as shown in following four c...

    Text Solution

    |

  13. A block of mass m is pulled by a constant powert P placed on a rough h...

    Text Solution

    |

  14. Forces acting on a particle moving in a straight line varies with the ...

    Text Solution

    |

  15. A pendulum of mass 1 kg and length  = 1m is released from rest at ang...

    Text Solution

    |

  16. A system consists of two identical cubes, each of mass m, linked toget...

    Text Solution

    |

  17. In the shown figure, the mass in sticks to the string just after it st...

    Text Solution

    |

  18. A circular tube of mass M placed veticlly on a horizontal surface as s...

    Text Solution

    |

  19. A spring mass system is held at rest with the spring relaxed at a heig...

    Text Solution

    |

  20. In shown figure, the trolley starts accelerating with acceleration a. ...

    Text Solution

    |