Home
Class 12
PHYSICS
In the given figure both the bocks have ...

In the given figure both the bocks have equal mass. When the thread is cut, which of the following statements give correct discription immediately after the thread is cut?

A

Relative to the block A, acceleration of block B is 2g upwards.

B

Relative to the block B, acceleratio of block A is 2g downwards.

C

Relative to the ground, acceleratons of the blocks A and B are both g downwards.

D

Reletive to the groujnd, accelerations of the blocks A and B are 2 g downwards and zero respectively.

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
Promotional Banner

Topper's Solved these Questions

  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (JM)|6 Videos

  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (JA)|4 Videos

  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (O-1)|50 Videos

  • MOTION IN A PALNE

    ALLEN |Exercise SOLVED EXAMPLE|28 Videos

  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos

Similar Questions

Explore conceptually related problems

A bullet of mass m fired at 30^(@) to the horizontal leaves the barrel of the gun with a velocity v . The bullet hits a soft target at a height h above the ground while it is moving downward and ground while it is moving downward and emerge out with half the kinetic energy it had before hitting the target . Which of the following statements are correct in respect of bullet after it emerges out of teh target ?

A liquid mixtue having composition corresponding to point z in the figure shown is subjected to distillation at constant pressure. Which of the following statement is correct about the process.

In the given figure, each box represents a function machine. A function machine illustrates what it does with the input. Which of the following statement are correct?

In the given figure, each box represents a function machine. A function machine illustrates what it does with the input. Which of the following statement are correct?

A block with mass (M) is connected by a massless spring with stiffness constant (k) to a rigid wall and moves without friction on a horizontal surface. The block oscillates with small amplitude A about an equilibrium position (x_0). Consider two cases : (i) when the block is at (x_0) , and (ii) when the block is at x = x_0 + A . In both the cases, a particle with mass m(lt M) is softly placed on the block after which they strick to each other. Which of the following statement (s) is (are) true about the motion after the mass (m) is placed on the mass (M) ?

A partition divides a container having insulated walls into two compartments whose initial paraments are given. The partition is a conducting wall which can move freely without friction. Which of the following statements is/are correct, with refrence to the final equilibrium position ?

Figure shows the velocity-time graph for two masses R and S that collided elastically. Which of the following statements is true? i. R and S moved in the same direction after the collision. ii. The velocities of R and S were equal at the mid time of the collision. iii. The mass of R was greater than mass of S . Which of the following is true?

A ball of mass m is attached to a string whose other end is fixed. The system is free to rotate in vertical plane. When the ball swings, no work is done on the ball by the tension in the string. Which of the following statement is the correct explanation?

A block is released on the slant face of a wedge of equal mass placed on a horizontal floor. The slant face of the wedge makes an angle of 45^(@) with the floor. Coefficient of friction between all surfaces in contact is the same. Different value/ range of coefficient of friction is given in column I and corresponding consequences in column II and III (wedge is fress to move) {:(,"Column-I",,"Column-II",,"Column-III",),((I),mu=0,(i),"Work done by friction on block and wedge is negative (on each)",(P),"Centre of mass of system (block+wedge) moves rightward and downward",),((II),mu gt 1,(ii),"Work done by friction on block is negative but on wedge it is zero",(Q),"Centre of mass of system (block+wedge) moves leftward and downward",),((III),sqrt(5)-2 lt mu lt 1,(iii),"Work done by friction on block and wedge is zero (on each)",(R ),"Centre of mass of system (block+wedge) remains at rest",),((IV),mu lt sqrt(5) - 2,(iv),"Friction between the block and wedge is static and between the wedge and ground it is kinetic in nature.",(S),"Centre of mass of system (block+wedge) moves vertically downward",):} Which of the following options is the correct representation of the case that the wedge remains motionless and the block slides down

ALLEN -NEWTON'S LAWS OF MOTION & FRICTION-EXERCISE (O-2)
  1. Consider a block suspended from a light string as shown in the digure....

    Text Solution

    |

  2. A block of weight 9.8N is placed on a table. The table surface exerts...

    Text Solution

    |

  3. A block of mass m is suspended from a fixed support with the help of a...

    Text Solution

    |

  4. A block A and wedge B connected through a string as shown. The wadge B...

    Text Solution

    |

  5. Two blocks A and B of mass 2 kg and 4 kg respectively are placed on a ...

    Text Solution

    |

  6. A block is kept on a rough surface and applied with a horizontal force...

    Text Solution

    |

  7. A block placed on a rough horizontal surface is pushed with a force F ...

    Text Solution

    |

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

    Text Solution

    |

  9. A block is released from rest from point on a rough inclined place of ...

    Text Solution

    |

  10. In the given figure both the bocks have equal mass. When the thread is...

    Text Solution

    |

  11. A block of mass m is placed on a smooth horizontal floor is attached t...

    Text Solution

    |

  12. A block of mass m is placed on a smooth horizontal floor is attached t...

    Text Solution

    |

  13. A block of mass m is placed on a smooth horizontal floor is attached t...

    Text Solution

    |

  14. When F = 2N, the frictional force between 5 kg block and ground is

    Text Solution

    |

  15. When F = 2n, the frictional force between 10 kg block 5 kg block is

    Text Solution

    |

  16. The maximum F which will not cause motion of any of the blocks is

    Text Solution

    |

  17. The maximum acceleration of 5 of kg block is :-

    Text Solution

    |

  18. The acceleration of 10 kg block when F = 30 N is

    Text Solution

    |

  19. In the figure shown ,acceraltion of is x (upwards ) Acceleration o fpu...

    Text Solution

    |

  20. Velocity of there particless A.B and C varies with time t as , v(A) =(...

    Text Solution

    |