Home
Class 12
PHYSICS
A pulley is connected to the ceiling of ...

A pulley is connected to the ceiling of an elevator by a massless rod. Two masses are connected as shown in figure. There is sufficient friction in the pulley axis. The acceleration of block w.r.t. earth is

A

`(4g)/(7)` (upward)

B

`(3g)/(7)` (upward)

C

`(2g)/(7)` (upward)

D

`(g)/(7)` (upward)

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Two spring of force constants k and 2k are connected to a mass as shown in figure. The frequency of oscillation of the mass is……..

Two blocks of masses M_(1)=4 kg and M_(2)=6kg are connected by a string of negligible mass passing over a frictionless pulley as shown in the figure below. The coefficient of friction between the block M_(1) and the horizontal surface is 0.4. when the system is released, the masses M_(1) and M_(2) start accelrating. What additional mass m should be placed over M_(1) so that the masses (M_(1)+m) slide with a uniform speed?

A block of mass 2 kg is connected with a spring of natural length 40 cm of force constant K=200 N//m . The cofficient of friction is mu=0.5 . When released from the given position, acceleration of block will be

A string of negligible mass passing over a clamped pulley of mass m supports a block of mass M as shown in figure. The force on the pulley by the clamp is given b y ..........

A string of negligible mass going over a clamped puley of mass m supports a block of mass Mas shown in the figure. The force on the pulley by the clamp is given

Two springs are connected to a block of mass M is placed on a frictionless surface as shown in figure. If both springs have a spring constant k, the frequency of oscillation of the block is………

A rod PQ of mass M and length L is hinged at end P. The rod is kept horizontal by a massless string tied to point Q as shown in figure. When string is cut, the initial angular acceleration of the rod is

USS 150) Two masses of 5 kg and 10 kg are connected to a pulley as shown. What will be the acceleration of the system (g= acceleration due to gravity)

Two masses m_(1) = 5 kg and m_(2) = 10 kg, connected by an inextensible string over a frictionless pulley are moving as shown in the figure. The coefficient of friction of horiztonal surface is 0.15. The minimum height m that should be put on top of m_(2) to stop the motion is

A heavy cart is pulled by a constant force F along a horizontal track with the help of a rope that passes over a fixed pulley, as shown in the figure. Assume the tension in the rope and the frictional forces on the cart remain constant and consider motion of the cart until it reaches vertically below the pulley. As the cart moves to the right, its acceleration

ALLEN -TEST PAPER-Exercise (Physics)
  1. The figure shows an isosceles triangle plate of mass M and base L. T...

    Text Solution

    |

  2. The figure shows an isosceles triangle plate of mass M and base L. T...

    Text Solution

    |

  3. A pulley is connected to the ceiling of an elevator by a massless rod....

    Text Solution

    |

  4. Figure shows the variation of the moment of inertia of a uniform rod, ...

    Text Solution

    |

  5. Four rigid bodies, each with the same mass and radius, are spinning fr...

    Text Solution

    |

  6. Particles of masses m,2m,3m,…….nm grams are placed on the same line at...

    Text Solution

    |

  7. A disc of the radius R is confined to roll without slipping at A and B...

    Text Solution

    |

  8. A solid cylinder C and a hollow pipe P of same diameter are in contact...

    Text Solution

    |

  9. A ball of mass m collides horizontally with a stationary wedge on a ro...

    Text Solution

    |

  10. Shown in the figure is a system of three particles of mass 1 kg, 2 kg ...

    Text Solution

    |

  11. A particle of mass m moving with velocity v makes head-on elastic coll...

    Text Solution

    |

  12. which of the following forces can never, under any circumstances, does...

    Text Solution

    |

  13. A body (intially at rest is falling under gravity. When it loses a gra...

    Text Solution

    |

  14. Position time graph of a particle of mass 2 kg is shown in figrure. To...

    Text Solution

    |

  15. A block of mass m lies on a horizontal frictionless surface and is att...

    Text Solution

    |

  16. Block A of mass 1 kg is placed on the rough surface of block B of mass...

    Text Solution

    |

  17. One end of a light spring of natural length 4m and spring constant 170...

    Text Solution

    |

  18. A particle of mass 1 kg moves in a circular path of radius 1 m such th...

    Text Solution

    |

  19. Infinite rods of uniform mass density and length L,L/2,L/4….. Are plac...

    Text Solution

    |

  20. A semicircular lamina of mass m and radius r and centre C. Its center ...

    Text Solution

    |