Home
Class 12
PHYSICS
Three blocks A , B and C of masses 4kg ,...

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

6 N

B

8 N

C

18 N

D

2 N

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 3 Section-B|12 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 2 SECTION-F :- Direction of friction, Pulley Block system on horizontal plane, Pulley Block system on inclined plane, Two Block system, Two Block on Inclined plane|3 Videos
  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-4 ( LEVEL- II)|39 Videos
  • NLM & FRICTION

    MOTION|Exercise EXERCISE-4 ( LEVEL-II)|15 Videos

Similar Questions

Explore conceptually related problems

Three blocks of masses 4 kg, 2 kg and 1 kg respectively are in contact on a frictionless table as shown in the figure. If a force of 14N is applied on the 4 kg block, the contact force between the 4 kg and the 2 kg block will be

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 ?

Two blocks of 2 kg and I kg are in contact on a frictionless table. If a force of 3 N is applied on 2 kg block, then the force of contact between the two blocks will be

A toy cart has mass of 4 kg and is kept on a smooth horizontal surface. Four blocks A, B, C and D of masses 2 kg, 2 kg, 1 kg and 1 kg respectively have been placed on the cart. A horizontal force of F = 40 N is applied to the block A (see figure). Find the contact force between block D and the front vertical wall of the cart.

Two blocks of masses 1 kg and 2 kg are placed in contact on a smooth horizontal surface as shown in fig. A horizontal force of 6N is applied d(a) on a 1-kg block. Find the force of interaction of the blocks. .

Two blocks of masses 3kg and 1kg are kept in contact with each other on a frictionless horizontal surface.If a force of 10N is applied on the larger block,what is the acceleration of the system? What is the contact force between the two blocks?

Two block of masses 3kg and 1kg are kept in contact with rach other on a frictionless horizontal surface.If a force of 10N is applied on the larger block what is the acceleration of the system? What is the contact force between the two blocks?

Three blocks of masses 3kg ,2kg and 1kg are placed side by side on a smooth surface as shown in figure. A horizontal force of 12N is applied on 3kg block. Find the net force on 2kg block.

Three blocks of masses 2kg,3kg and 5kg are placed in contact as shown in the diagram. A horizontal force of 30N is applied on 2kg block. Find the contact force between (a) 2kg and 3kg block and (b) 3kg and 5kg block.

MOTION-NEWTON'S LAWS OF MOTION & FRICTION -Exercise - 3 Section-A
  1. A person is standing in an elevator. In which situation he finds his w...

    Text Solution

    |

  2. A person used force (F) , shown in figure to move a load with constant...

    Text Solution

    |

  3. The ratio of gravitational mass to inertial mass is equal to:

    Text Solution

    |

  4. The mass of a lift is 2000kg . When the tensioon in the supporting cab...

    Text Solution

    |

  5. A body, under the action of a force vec(F)=6hati -8hatj+10hatk , acqui...

    Text Solution

    |

  6. A monkey of mass mkg slides down a light rope attached to a fixed spri...

    Text Solution

    |

  7. A block of mass m is in contact with the cart C as shown in The coeffi...

    Text Solution

    |

  8. A person of mass 940 kg and presses the button on control panel. Then ...

    Text Solution

    |

  9. A body mass M hits normally a rigid wall with velocity v and bounces b...

    Text Solution

    |

  10. Assertion: The driver in a vechicle moving with a constant speed on a ...

    Text Solution

    |

  11. A system consists of three masses m(1),m(2) " and " m(3) connected by ...

    Text Solution

    |

  12. The force F acting on a partical of mass m is indicated by the force-t...

    Text Solution

    |

  13. A balloon carring some sand is moving down with a constant acceleratio...

    Text Solution

    |

  14. A block A of mass m(1) rests on a horizontal table. A light string con...

    Text Solution

    |

  15. Three blocks A , B and C of masses 4kg , 2kg and 1kg respectively are ...

    Text Solution

    |

  16. A sphere of radius 25 cm and mass 1 kg is hung by a string of negligib...

    Text Solution

    |

  17. Find tension in string if theta = 30^(@) and the mass hanged in middl...

    Text Solution

    |

  18. During the rocket propulsion, gases ejecting with velocity 1 km/s rela...

    Text Solution

    |

  19. Two block A and B of masses 3m and m respectively are connected by a m...

    Text Solution

    |

  20. A block of mass m is placed on a smooth inclined wedge ABC of inclinat...

    Text Solution

    |