Home
Class 11
PHYSICS
A block of mass m is pulled by a uniform...

A block of mass m is pulled by a uniform chain of mass m tied to it by applying a force F at the other end of the chain. The tension at a point P which is at a distance of quarter of the length of the chain from the free end, will be

A

`(3F)/(4)`

B

`(7F)/(8)`

C

`(6F)/(7)`

D

`(4F)/(5)`

Text Solution

Verified by Experts

The correct Answer is:
B
`a=(F)/(m_(1)+m_(2)), T=(m_(1)+(3)/(4)m_(2))a`
Promotional Banner

Topper's Solved these Questions

  • LAW OF MOTION

    NARAYNA|Exercise EXERCISE - II (H.W)(MOTION ON A HORIZONTAL ROUGH SURFACE)|12 Videos

  • LAW OF MOTION

    NARAYNA|Exercise EXERCISE - II (H.W)(MOTION OF A BODY ON THE INCLINED PLANE)|9 Videos

  • LAW OF MOTION

    NARAYNA|Exercise EXERCISE - II (H.W)(NEWTON.S LAWS OF MOTION)|9 Videos

  • KINETIC THEORY OF GASES

    NARAYNA|Exercise LEVEL-III(C.W)|52 Videos

  • MATHEMATICAL REVIEW & PHYSICAL WORLD

    NARAYNA|Exercise C.U.Q|13 Videos

Similar Questions

Explore conceptually related problems

A block of mass M is attached to a uniform rope of mass m . This arrangement is pulled by applying a force F at the rope as shown. Find the tension in the rope (a) at the junction of the rope and the block (b) at the mid point of the rope.

A block is lying on the horizontal frictionless surface. One end of a uniform rope is fixed to the block which is pulled in the horizontal direction by applying a force F at the other end. If the mass of the rope is half the mass of the block. The tension in the middle of the rope will be

A body of mass m is tied to free end of dtring and whiled in a circle about the other end .If the string suddenly breaks , then

A chain of mass M and length L is held vertical by fixing its upper end to a rigid support. The tension in the chain at a distance y from the rigid support is:

A block of mass m is attached to a chain as shown in the diagram. Find the tension in each of the three chains. The ring and chains are light.

In fig mass m is lifted up by attaching a mass 2m to the other end of the string while in fig (b) m is lifted by pulling the other end of the string with a constant force F=2mg then:

A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m. If a force F is applied at one end of the rope. Find the force which the rope exerts on the block.

A uniform rope of mass M and length L , on which a force F is applied at one end, then find stress in the ropw at a distance x form the end where force is applied?

NARAYNA-LAW OF MOTION-EXERCISE - II (H.W)(OBJECTS SUSPENDED BY STRINGS AND APPARENT WEIGHT)
  1. The elevator shown in fig. is descending with an acceleration of 2 m//...

    Text Solution

    |

  2. A block of mass m is pulled by a uniform chain of mass m tied to it by...

    Text Solution

    |

  3. Two masses of 8 kg and 4 kg are connected by a string as shown in figu...

    Text Solution

    |

  4. Consider the system shown in figure. The pulley and the string are lig...

    Text Solution

    |

  5. In the figure, a smooth pulley of negligible weight is suspended by a ...

    Text Solution

    |

  6. A chain consisting of 5 links each of mass 0.1 kg is lifted vertically...

    Text Solution

    |

  7. Three blocks of equal masses (each 3kg) are suspended by weightless st...

    Text Solution

    |

  8. Pulleys and strings are massless. The horizontal surface is smooth. Wh...

    Text Solution

    |

  9. When a train starting from rest is uniformly accelerating, a plumb bob...

    Text Solution

    |

  10. The pulley and strings shown in the figure are smooth and of negligibl...

    Text Solution

    |

  11. Two bodies of masses 4kg and 6kg are attached to the ends of a string ...

    Text Solution

    |

  12. Acceleration of block m is (theta lt 45^(@))

    Text Solution

    |

  13. A stationary shell breaks into three fragments. The momentum of two of...

    Text Solution

    |

  14. An object initially at rest explodes, disintegrating into 3 parts of e...

    Text Solution

    |

  15. A man of 50 kg is standing at one end on a boat of length 25m and mass...

    Text Solution

    |

  16. A stationary body of mass 3 kg explodes into three equal pieces. Two o...

    Text Solution

    |