Home
Class 12
PHYSICS
Two identical blocks are connected by a ...

Two identical blocks are connected by a light spring. The combination is suspended at rest from a string attached to the ceiling, as shown in the figure-2.190 below. The string breaks suddenly. Immediately after the string breaks:

A

Acceleration of both the blocks would be g downward

B

Acceleration of centre of mass of the combined block system would be g downward

C

Acceleration of upper block would be 2g downward

D

Acceleration of lower block would be g upward.

Text Solution

Verified by Experts

The correct Answer is:
B, C
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    FIITJEE|Exercise COMPREHENSION-III|2 Videos

  • LAWS OF MOTION

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE)(Level-1) (ASSERTION REASONING TYPE)|2 Videos

  • KINEMATICS

    FIITJEE|Exercise NUMERICAL BASED QUESTIONS DECIMAL TYPE|5 Videos

  • MAGNETIC

    FIITJEE|Exercise Numerical Based Type|2 Videos

Similar Questions

Explore conceptually related problems

Two blocks are connected by a spring. The combination is suspended, at rest, from a string attatched to the ceiling, as shown in the figure. The string breaks suddenly. Immediately after the string breaks, what is the initial downward acceleration of the upeer block of mass 2m ?

Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibruim, then

Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibrium, then

Two blocks A and B of masses 2m and respectively, are connected by a massless and inextensible string. The whole system is suspended by a masslessspring as shown in the figure. The magnitude of acceleration of A and B, immediately after the string is cut, are respectively

A uniform rod of mass m and length l is suspended by means of two light inextensible strings as shown in figure. Tension in one string immediately after the other string is cut is

Two blocks are connected by an inextensible light string, the string is passing over smooth, light pulley as shown. Find the acceleration of blocks and tension in the string, reaction in pulley.

Two blocks each of mass m are connected over two light and frictionless pulleys and a fixed wedge by a light string as shown in figure. The tension in the string is :

Two block A and B of masses 3m and m respectively are connected by a massless and nextensible string. The whole system is suspended by a massless spring as shown in figure. The magnitudes of acceleration of A and B immediately after the string is cut, are resectively

FIITJEE-LAWS OF MOTION-ASSIGNMENT PROBLEMS (OBJECTIVE) (Level-II)
  1. A particle of mass M is moving with an acceleration a(0) measured by a...

    Text Solution

    |

  2. An engine of mass 5 xx 104 kg pulls a coach of mass 4xx10kg. Suppose t...

    Text Solution

    |

  3. Two blocks of masses 2.9 kg and 1.9 kg are suspended from a rigid supp...

    Text Solution

    |

  4. Two masses m and M(m lt M) are joined by a light string passing over a...

    Text Solution

    |

  5. A simple pendulum of length L and mass (bob) M is oscillating in a pla...

    Text Solution

    |

  6. In the system shown in the figure, which the following is correct? (Pu...

    Text Solution

    |

  7. Newton's law are valid in

    Text Solution

    |

  8. In the arrangement shown, W(1) = 200N, W(2) = 100 N,mu = 0.25 for all ...

    Text Solution

    |

  9. A uniform chain of length L lies on a smooth horizontal table with it...

    Text Solution

    |

  10. 1 kg and 4 kg blocks lie on a rough horizontal surface. The coefficien...

    Text Solution

    |

  11. Two blocks A and B are kept on a smooth wedge as shown in the figure. ...

    Text Solution

    |

  12. A block is placed over a plank. The coefficient of friction between th...

    Text Solution

    |

  13. A uniform rope of length L is pulled by a constant force F. What is th...

    Text Solution

    |

  14. The linear momentum P of a particle varies with time as follows P=a+bt...

    Text Solution

    |

  15. A block of mass 0.1 is held against a wall applying a horizontal force...

    Text Solution

    |

  16. Find the tension T(2) in the system shown in the figure.

    Text Solution

    |

  17. A block of mass 2kg is suspended through two light spring balances A a...

    Text Solution

    |

  18. Two identical blocks are connected by a light spring. The combination ...

    Text Solution

    |

  19. In the system shown in the figure the mass m moves in a circular arc o...

    Text Solution

    |

  20. A block of mass m is pulled by a force of constant power P placed on a...

    Text Solution

    |