Home
Class 11
PHYSICS
Three metal blocks A , B and C of masses...

Three metal blocks A , B and C of masses 10 kg , 20 kg and 30 kg rest on a frictionless table in a line . A is converted to B and B to C by two pieces of string . With the help of a third string attached to C , the system is pulled to the right with a force of 60 N . Find the tensions of the first and second strings .

Text Solution

Verified by Experts

The correct Answer is:
10 N , 30 N
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION, FREE BODY DIAGRAM

    NN GHOSH|Exercise Exercise (B)|34 Videos

  • LAWS OF MOTION, FREE BODY DIAGRAM

    NN GHOSH|Exercise Exercise (B)|34 Videos

  • KINETIC THEORY OF GASES

    NN GHOSH|Exercise All Questions|24 Videos

  • MOMENT, TORQUE, EQUILIBRIUM OF BODIES

    NN GHOSH|Exercise Exercises|33 Videos

Similar Questions

Explore conceptually related problems

Three blocks A , B and C of masses 4kg , 2kg and 1kg respectively are in contact on a frictionless surface, as shown. If a force of 14N is applied on the 4kg block, then the contact force between A and B is.

A ring of mass 5 kg sliding on a frictionless vertical rod connected by a clock B of mass 10 kg by the help of a massless string. Then, at the equilibrium of the system, the value of theta is

The metal blocks A and B of masses 2 kg and 1 kg , respectively are in contact on a frictionless table A constant horizontal force of 3 N is applied to the block A . Calculate the force of constant between the two blocks . If the same force is applied to the block B then what will be the force of contact ? Can you explain the difference ?

A horizontal force of 500 N pulls two masses 10 kg and 20 kg (lying on a frictionless table) connected by a light string. What is the tension in the string ? Does the answer depend on which mass end the pull is applied?

Three identical blocks of masses m=2kg are drawn by a force 10.2 N on a frictionless surface. What is the tension (in N) in the string between the blocks B and C?

Three blocks A, B and C havig masses m kg, 2kg and 3 kg are attached by massless strings and ideal pulleys as shown in the figure. When the system is realeased from rest if the block A remains stationary. the mass of block A is

Three blocks A, B and C of masses 5 kg, 10 kg and 15 kg respectively connected by two ideal strings are present on a smooth horizontal surface. An external horizontal force of 30 N acts on the block A to pull the system. Find the difference in the tensions in strings connecting A and B and, B and C.

A 100 kg block is suspended with the help of three strings A, B and C. The tension in the string A is

NN GHOSH-LAWS OF MOTION, FREE BODY DIAGRAM-Exercise (A)
  1. A constant force acts on a body of mass 10 g moving with a velocity of...

    Text Solution

    |

  2. The metal blocks A and B of masses 2 kg and 1 kg , respectively are in...

    Text Solution

    |

  3. Three metal blocks A , B and C of masses 10 kg , 20 kg and 30 kg rest ...

    Text Solution

    |

  4. Two blocks of masses m and m' are connected by a light spring on a hor...

    Text Solution

    |

  5. A constant force acts on a body of mass 1 kg for 5 s and then ceases t...

    Text Solution

    |

  6. A uniform rope of length L , resting on frictionless horizontal table...

    Text Solution

    |

  7. Water flows through a pipe bent at an angle alpha to the horizontal wi...

    Text Solution

    |

  8. A block of mass 3kg which is on a smooth inclined plane making angie o...

    Text Solution

    |

  9. How can you lower a 100-kg body from the roof of a house using a cord...

    Text Solution

    |

  10. A machine gun fires 50-g bullets at a speed of 1000 m/s . The gunner ...

    Text Solution

    |

  11. A block slides down a frictionless incline kept on the floor of a cham...

    Text Solution

    |

  12. A railroad flatcar of mass M can roll without friction along a straigh...

    Text Solution

    |

  13. A box is put on the platform of a spring balance which is adjusted to...

    Text Solution

    |

  14. A scale is adjusted to zero . Particles fall from a height h = 250 m ...

    Text Solution

    |

  15. An electron of mass m is involved in head-on collision with an atom of...

    Text Solution

    |

  16. Two bodies 1 and 2 of masses m and M are kept slightly separated . A t...

    Text Solution

    |

  17. A steel ball weighting 1 kg is fastened to a cord 1 m long and is rele...

    Text Solution

    |

  18. An elevator (a lift ) is moving up at the speed of 2 m/s in a shaft . ...

    Text Solution

    |

  19. An elevator is provided with a weighing machine ( making use of princi...

    Text Solution

    |

  20. A projectile of mass 50 kg is projected vertically upwards with a velo...

    Text Solution

    |