Home
Class 11
PHYSICS
A body of mass 20kg is moving on a rough...

A body of mass 20kg is moving on a rough horizontal plane. A block of mass 3 kg is connected to the 20 kg mass by a string of negligible mass through a smooth pulley as shown in the figure. The tension in the string is 27 N. The coefficient of kinetic friction between the heavier mass and the surface is `(g=10 m//s^(2))`

A

`0.025`

B

`0.035`

C

`0.35`

D

`0.25`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|108 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise EXERCISE - I|158 Videos

  • KINETIC THEORY OF GASES

    AAKASH SERIES|Exercise Practice Exercise|15 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH SERIES|Exercise EXERCISE-3|43 Videos

Similar Questions

Explore conceptually related problems

A body is mass 20 kg is moving on a rough horizontal plane. A block of mass 3 kg is connected to the 20 kg mass by a string of negligible mass through a smooth pulley as shown in the below figure. The tension in the string is 27 N. The coefficient of kinetic friction between the heavier mass and the surface is (g = 10 m //s^(2))

Two masses m_(1) and m_(2) are placed on a smooth horizontal surface and are connected by a string of negligible mass. A horizontal force F is applied on the mass m_(2) as shown in the figure. The tenison in the string is

A body of mass 5kg is under the action of 50N on the horizontal surface. If coefficient of friction in between the surfaces is one, the distance it travels in 3 s is

AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
  1. A block B of mass 5 kg is placed on a slab A of mass 20 kg which lies ...

    Text Solution

    |

  2. Block A of mass m rests on the plank B of mass 3m which is free to sli...

    Text Solution

    |

  3. A body of mass 20kg is moving on a rough horizontal plane. A block of ...

    Text Solution

    |

  4. Two masses m(1) and m(2) are placed on a smooth horizontal surface and...

    Text Solution

    |

  5. The situations are shown in fig(a) & (b), in each case, m(1)=3kg and m...

    Text Solution

    |

  6. Two blocks of masses 'M' and 'm' are placed on one another on a smooth...

    Text Solution

    |

  7. A body of weight 20N is on a horizontal surface, minimum force applied...

    Text Solution

    |

  8. A block of weight 100N is lying on a rough horizontal surface. If coef...

    Text Solution

    |

  9. A homogeneous chain lies in limiting equilibrium on a horizontal table...

    Text Solution

    |

  10. A body of mass 5 kg is placed on a rough horizontal surface of coeffic...

    Text Solution

    |

  11. A car is travelling at 36 kmph on a road. If mu=0.5 between the tyres ...

    Text Solution

    |

  12. A coin is kept at distance of 10 cm from the centre of a circular turn...

    Text Solution

    |

  13. A body moves along a circular path of radius 5m. The coefficient of fr...

    Text Solution

    |

  14. A car is driven round a curved path of radius 18m in without the dange...

    Text Solution

    |

  15. A block of mass 1kg lies on a horizontal surface in the truck, the coe...

    Text Solution

    |

  16. A box is placed on the floor of a truck moving with an acceleration of...

    Text Solution

    |

  17. The rear side of a truck is open and a box of 40 kg mass is placed 5 m...

    Text Solution

    |

  18. A horizontal force of 10 N is necessary to just hold a block stationar...

    Text Solution

    |

  19. A person holds a block weighing 2kg between his hands & keeps it from ...

    Text Solution

    |

  20. An eraser weighing 2N is pressed against the black board with a force ...

    Text Solution

    |