Home
Class 11
PHYSICS
Two blocks A and B of masses m and 2m, r...

Two blocks A and B of masses m and 2m, respectively , are held at rest such that the spring is in natural length. Find out the acceleration of both the blocks just after relese.

A

`g darr, g darr`

B

`g/3 darr, g/3 uarr`

C

0,0

D

`g darr, c`

Text Solution

Verified by Experts

The correct Answer is:
A
In this case, spring force is zero initially. FBD of A and B are shown in fig.
Tension in the string and spring will be zeor just after release.
Promotional Banner

Topper's Solved these Questions

  • NEWTON'S LAWS OF MOTION 1

    CENGAGE PHYSICS|Exercise Multiple Correct|11 Videos

  • NEWTON'S LAWS OF MOTION 1

    CENGAGE PHYSICS|Exercise Assertion-reasoning|15 Videos

  • NEWTON'S LAWS OF MOTION 1

    CENGAGE PHYSICS|Exercise Subjective|15 Videos

  • MISCELLANEOUS VOLUME 2

    CENGAGE PHYSICS|Exercise INTEGER_TYPE|10 Videos

  • NEWTON'S LAWS OF MOTION 2

    CENGAGE PHYSICS|Exercise Integer type|1 Videos

Similar Questions

Explore conceptually related problems

Find out acceleration of the block. Initially the block is at rest.

Find out acceleration of the block. Initially the block is at rest.

Find out the acceleration of the block. If the block is initially at rest.

Two blocks A and B of masses m and 2m respectively are connected together by a light spring of stiffness k and then placed on a smooth horizontal surface. The blocks are pushed towards each other such that spring gets compressed by a length x_(0) and then released from rest. Find the work done on the block A by the spring, by the time the spring acquires its natural length.

A block of mass m attached with a spring and held by a person such that the spring is in natural length l_(0) . Now the man releases the block, the ratio of maximum compression in the spring in the given situation , to that of the compression at equilibrium position.

Two blocks A and B of masses m and 2m, respectively , are connected by a massless spring of force constant k and are placed on a smooth horizontal plane. The spring is stretched by an amount x and then released . The relative velocity of the blocks when the spring comes to its natural length is

Two blocks A and B of same mass m attached with a light string are suspended by a spring as shown in fig. Find the acceleration of block A and B just after the string is cut.

Two blocks A and B of same mass m attached with a light spring are suspended by a string as shown in fig. Find the acceleration of block A and B just after the string is cut.

Two block A and B of masses m and 2m respectively are connected by a spring of spring cosntant k. The masses are moving to the right with a uniform velocity v_(0) each, the heavier mass leading the lighter one. The spring is of natural length during this motion. Block B collides head on with a thrid block C of mass 2m . at rest, the collision being completely inelastic. The velocity of block B just after collision is -

CENGAGE PHYSICS-NEWTON'S LAWS OF MOTION 1-Single Correct
  1. Figure shows the variation of force acting on a boby with time. Assume...

    Text Solution

    |

  2. For the system shown in fog. m(1) gt m(2) gtm(3) gt m(4). Initially, t...

    Text Solution

    |

  3. A particle is moving in the x-y plane. At certain instant of time, the...

    Text Solution

    |

  4. Figure shows two blocks each of mass m system is released from rest. I...

    Text Solution

    |

  5. If block A is moving horizontally with velocity v(A), then find the ve...

    Text Solution

    |

  6. A small block of mass m rests on a smooth wedge of angle theta. With w...

    Text Solution

    |

  7. In fig. man A is standing on a movable plank while man B is standing o...

    Text Solution

    |

  8. Two trolley 1 and 2 are moving with acceleration a(1) and a(2) respect...

    Text Solution

    |

  9. In the system shown all the surfaces are frictionless while pulley and...

    Text Solution

    |

  10. Two masses are connected by a string which passes over a pulley accele...

    Text Solution

    |

  11. In fig, the acceleration of A is vec(a)(A)=15hat(i)+15hat(j). Then the...

    Text Solution

    |

  12. Two blocks A and B of masses m and 2m, respectively , are held at rest...

    Text Solution

    |

  13. A bob is hanging over a pulley inside a car through a string. The seco...

    Text Solution

    |

  14. Inside a horizontal moving box, an experimenter finds that when an obj...

    Text Solution

    |

  15. Two blocks A and B each of mass m are placed on a smooth horizontal su...

    Text Solution

    |

  16. A system is shown in fig. Assume that the cylinder remains in contact ...

    Text Solution

    |

  17. A plank is held at an angle alpha to the horizontal on two fixed suppo...

    Text Solution

    |

  18. A pendulum of mass m hangs from a support fixed to a trolley. The dire...

    Text Solution

    |

  19. The acceleration of the block B in fig. Assuming the surfaces and the ...

    Text Solution

    |

  20. In the arrangement shown in fig. the block of mass m=2kg lies on the w...

    Text Solution

    |