Home
Class 12
PHYSICS
Blocks A and B in the Fig are connected ...

Blocks A and B in the Fig are connected by a bar of negligible weight .Mass of each block is `170 kg` and `mu_(A) = 0.2` and `mu_(B) = 0.4` where `mu_(A)` and `mu_(B)`are the coefficient of limiting friction between bloock and plane calculate the force developed in the bar`(g = 10 ms^(-2))`

A

150 N

B

75 N

C

200 N

D

250 N

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NLM & FRICTION

    MOTION|Exercise EXERCISE-2(Level-II)|25 Videos

  • NLM & FRICTION

    MOTION|Exercise EXERCISE-3(Level-I)|18 Videos

  • NLM & FRICTION

    MOTION|Exercise EXERCIS-1|80 Videos

  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 3 Section-B|12 Videos

  • ONE DIMENSION MOTION

    MOTION|Exercise Exercise - 3 |Section - B Previous Year Problems | JEE MAIN|12 Videos

Similar Questions

Explore conceptually related problems

Block A and B shown in the figure are connected with a bar of negligible weight. A and B each has mass 170 kg , the coefficient of friction between A and the plane is 0.2 and that between B and the plane is 0.4 (g = 10 ms_(-2)) What is the force acting on the connecting bar?

Blocks A and Bin the Fig. 2E.46 .(a) are connected With a string of negligible mass. The masses are placed on an inclined plane of inclination 30^(@) as shown inFig. 2E.46 (a) . If A and B each have mass m and mu_(A)=0 and mu_(R)=sqrt(2/3) , where mu_(A) and mu_(B) are the coefficient of friction between plane and the bodies respectively, calculate the acceleration of the system and tension in the string.

Block A and B shown in the figure are connected with a bar of negligible weight. A and B each has mass 170 kg , the coefficient of friction between A and the plane is 0.2 and that between B and the plane is 0.4 (g = 10 ms_(-2)) What is the total force of friction between the blocks and the plane?

In the arrangement shown in figure coefficient of friction between 5kg block and incline plane is mu=0.5 . Friction force acting on the 5kg block is

In the figure shown, if friction coefficient of block 1 kg and 2kg with inclined plane is mu_(1) = 0.5 and mu_(2) = 0.4 respectively, then

Two blocks are in contect moving on an inclined plane of inclination alpha with the horizontal. The masses of the blocks are equal to m_(1) and m_(2) and the coefficients of friction between the inclined plane and the blocks are equal to mu_(1) and mu_(2) (mu_(1) gt mu_(2)) respectively. Find (a) common acceleration of the blocks and (b) the contact force between the blocks.

A block of mass m=4kg is placed oner a rough inclined plane as shown in figure. The coefficient of friction between the block and the plane is mu=0.5 . A force F=10N is applied on the block at an angle of 30^(@) .

Two blocks of masses m_(1) and m_(2) kept touching each other on an inclined plane of inclination a with the horizontal. Show that (i) theforce of interaction between the blocks is ((mu_(1)-mu_(2))m_(1)m_(2)gcosalpha)/((m_(1)+m_(2))) and (ii) the minimum value of alpha at which the blocks just start sliding is a = tan^(-1).(mu_(1)m_(1)+mu_(2)m_(2))/(m_(1)+m_(2)) . Where mu_(1) and mu_(2) are the coefficients of friction between the block m_(1) and the inclined plane and between the block m_(2) and the inclinedplane respectively.

Block B rests on a smooth surface .The coefficient of static friction between A and B is mu = 0.4 where F = 30 N then Acceleration of upper block is

MOTION-NLM & FRICTION-EXERCISE-2
  1. A block of weight 5N is pushed against a vertical wall by a force 12 N...

    Text Solution

    |

  2. A body of mass 2kg is at rest on a horizontal table. The coefficient o...

    Text Solution

    |

  3. The coefficient of friction between 4kg and 5 kg blocks is 0.2 and bet...

    Text Solution

    |

  4. A body is moving is down an inclined plane of slope 37^@ the coefficie...

    Text Solution

    |

  5. In the shown arrangements if f(1), f(2) and T be the frictional forces...

    Text Solution

    |

  6. A board is balanced on a rough horizontal semicircular log. Equilibriu...

    Text Solution

    |

  7. A force F=t is applied to block A as shown in figure. The force is app...

    Text Solution

    |

  8. Block B of mass 100 kg rests on a rough surface of friction coeffcient...

    Text Solution

    |

  9. Two block of masses m1 and m2 are connected with a massless unstretche...

    Text Solution

    |

  10. A block of mass m lying on a rough horizontal plane is acted upon by a...

    Text Solution

    |

  11. In the arrangement shown in the figure [ sin 37^(@) = 3//5 ]

    Text Solution

    |

  12. A block of mass m=4kg is placed oner a rough inclined plane as shown i...

    Text Solution

    |

  13. Find the maximum value of (M/m) in the situation shown in figure so th...

    Text Solution

    |

  14. Two blocks, each having a mass M, rest on frictionless surfaces as sho...

    Text Solution

    |

  15. Two masses m1 and m2 are connected by light string, which passes over ...

    Text Solution

    |

  16. Two blocks A and B of masses m(1) and m, are connected by an inextensi...

    Text Solution

    |

  17. A block of mass m(1) =2 kg on a smooth inclined planeat angle 30^(@) ...

    Text Solution

    |

  18. Block A of mass 5 kg is resting on a frictionless floor. Another block...

    Text Solution

    |

  19. Two masses 6 kg and 4 kg are connected by a flexible inextensible stri...

    Text Solution

    |

  20. Blocks A and B in the Fig are connected by a bar of negligible weight ...

    Text Solution

    |