Home
Class 12
PHYSICS
A man of mass 50 kg is pulling on a plan...

A man of mass 50 kg is pulling on a plank of mass 100 kg kept on a smooth floor as shown with force of 100 N. If both man & plank move together, find force of friction acting on man.

A

`(100)/(3)` N towards left

B

`(100)/(3)` N towards right

C

`(250)/(3)` N towards left

D

`(250)/(3)` N towards right

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (JM)|6 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (JA)|4 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (O-1)|50 Videos
  • MOTION IN A PALNE

    ALLEN |Exercise SOLVED EXAMPLE|28 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos

Similar Questions

Explore conceptually related problems

A man of mass 80 kg stands on a plank of mass 40 kg . The plank is lying on a smooth horizontal floor. Initianlly both are at rest. The man starts walking on the plank towards north and stops after moving a distance of 6 m on the plank. Then

Three man A, B & C of mass 40 kg, 50 kg & 60 kg are standing on a plank of mass 90 kg , which is kept on a smooth horizontal plane. If A & C exchange their position then mass B will shift :-

A block of mass 100 g is lying on an inclined plane of angle 30°. The frictional force on this block …….N.

A man of mass 90kg is standing in an elevator whose cable broke suddenly. If the elevator falls, apparent weight of the man is:

No external force: Stationery mass relative to an inertial frame remains at rest A man of mass m is standing at one end of of a plank of mass M. The length of the plank is L and it rests on a frictionless horizontal ground. The man walks to the other end of the plank. Find displacement of the plank and man relative to the ground.

A block of mass 2 kg is kept on a rough horizontal floor an pulled with a force F. If the coefficient of friction is 0.5. then the minimum force required to move the block is :-

A man of mass m stands at the left end of a uniform plank of length L and mass M, which lies on a frictionaless surface of ice. If the man walks to the other end of the plank, then by what distance does the plank slide on the ice?

A block of mass 4 kg is placed on another block of mass 5 kg and the block B rests on a smooth horizontal table. If the maximum force that can be applied on A so that both the blocks move together is 12N, find the maximum force that can be applied on B for the blocks to move together.

A man of mass 70kg stands on a weighing scale in a lift which is moving:

A block A with mass 100kg is resting on another block B of mass 200kg. As shown in figure a horizontal rope tied to a wall hold it. The coefficient of friction between A and B is 0.2 while coefficient of friction between B and the ground is 0.3 . the minimum required force F to start moving B will be.

ALLEN -NEWTON'S LAWS OF MOTION & FRICTION-EXERCISE (O-2)
  1. A block A is placed over a long rough plank B same mass as shown below...

    Text Solution

    |

  2. A block A of mass m is placed over a plank B of mass 2m. Plank B is pl...

    Text Solution

    |

  3. A man of mass 50 kg is pulling on a plank of mass 100 kg kept on a smo...

    Text Solution

    |

  4. A flexible chain of weight W hangs betgween two fixed points A & B whi...

    Text Solution

    |

  5. A flexible chain of weight W hangs between two fixed points A and B at...

    Text Solution

    |

  6. In the arrangement shown in fig m(1)=1kg, m(2)=2 kg Pulleys are massle...

    Text Solution

    |

  7. Consider a block suspended from a light string as shown in the digure....

    Text Solution

    |

  8. A block of weight 9.8N is placed on a table. The table surface exerts...

    Text Solution

    |

  9. A block of mass m is suspended from a fixed support with the help of a...

    Text Solution

    |

  10. A block A and wedge B connected through a string as shown. The wadge B...

    Text Solution

    |

  11. Two blocks A and B of mass 2 kg and 4 kg respectively are placed on a ...

    Text Solution

    |

  12. A block is kept on a rough surface and applied with a horizontal force...

    Text Solution

    |

  13. A block placed on a rough horizontal surface is pushed with a force F ...

    Text Solution

    |

  14. A block is placed over a plank. The coefficient of friction between th...

    Text Solution

    |

  15. A block is released from rest from point on a rough inclined place of ...

    Text Solution

    |

  16. In the given figure both the bocks have equal mass. When the thread is...

    Text Solution

    |

  17. A block of mass m is placed on a smooth horizontal floor is attached t...

    Text Solution

    |

  18. A block of mass m is placed on a smooth horizontal floor is attached t...

    Text Solution

    |

  19. A block of mass m is placed on a smooth horizontal floor is attached t...

    Text Solution

    |

  20. When F = 2N, the frictional force between 5 kg block and ground is

    Text Solution

    |