Home
Class 12
PHYSICS
Coefficient of friction between block of...

Coefficient of friction between block of mass m and fixed wedge is `mu = 0.5`. For what value of `(m)/(M)` frictional force between block of mass m and wedge becomes zero ?

A

`(1)/(2)`

B

2

C

1

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART (A)|32 Videos
  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART (B)|3 Videos
  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART- C|4 Videos
  • SEMICONDUCTORS

    BANSAL|Exercise CBSE Question|32 Videos

Similar Questions

Explore conceptually related problems

The coefficient of friction between block of mass m and 2m is mu=2tantheta . There is no friction between block of mass 2 m and inclined plane. The maximum amplitude of the two block system for which there is no relative motion between both the blocks is

The coefficient of friction between block A of mass m_(1)=5kg and block B of mass m_(2)=10 kg is mu_(2)=0.5 . There is no friction froce between block B and fixed horizontal surface. A force of 300N acts on block B in horizontal direction and a horizontal force of magnitude F acts on block A as shown , both towards right. Initially there is no relative motion between the blocks. The minimum value of F such that relative motion starts between A and B is :

The coefficient of friction between the block A of mass m and the triangular wedge B of mass M is mu . There in no friction between the wedge and the plane if the system (block A+ wedge B) is released so that there is no stiding between A and B find the inclination theta

The coefficient of friction between the block A of mass m & block B of mass 2m is mu . There is no friction between block B & the inclined plane. If the system of blocks A & B is released from rest & there is no slipping between A & B then :

A wedge is placed on the smooth surface of a fixed incline having inclination theta with the horizontal. The vertical wall of the wedge has height h and there is a small block A on the edge of the horizontal surface of the wedge. Mass of the wedge and the small block are M and m respectively. (a) Find the acceleration of the wedge if friction between block A and the wedge is large enough to prevent slipping between the two. (b) Find friction force between the block and the wedge in the above case. Also find the normal force between the two. (c) Assuming there is no friction between the block and the wedge, calculate the time in which the block will hit the incline.

In the arrangement shown in figure, a block A of mass m has been placed on a smooth wedge B of mass M. The wedge lies on a horizontal smooth surface. Another block C of mass (M)/(4) has been placed in contact with the wedge B as shown. The coefficient of friction between the block C and the vertical wedge wall is mu= (3)/(4) . Find the ratio (m)/(M) for which the block C will not slide with respect to the wedge after the system is released?

The block of mass m is kept on plank of mass M. The block is given velocity V_(0) as shown. The coefficient of friction between the block of mass m and plank of mass M is mu and its value is such that block becomes stationary with respect to plank before it reaches the other end. Then:

The coefficient of friction between the block A of mass m & block B of mass 2m is mu . There is no friction between A & B is released from rest & there is no slipping between A & B then:

BANSAL-TEST PAPERS-PHYSICS
  1. A ball is projected towards right from point A at an angle theta with ...

    Text Solution

    |

  2. Two particles are projected horizontally with same speed 30 m//s but i...

    Text Solution

    |

  3. Coefficient of friction between block of mass m and fixed wedge is mu ...

    Text Solution

    |

  4. The displacement x (in m ) and time t (in s) of a particle are connect...

    Text Solution

    |

  5. How large is the stretching force in the patient's leg figure shown ?

    Text Solution

    |

  6. From ground a balloon starts ascending at a constant speed of 25 m//s....

    Text Solution

    |

  7. A book sits on a horizontal top of a car which accelerates horizontall...

    Text Solution

    |

  8. A body is projected verticallt upwards. If t(1) and t(2) be the times ...

    Text Solution

    |

  9. A horizontal surface is partly smooth and partly rough. A particle is ...

    Text Solution

    |

  10. A particle is projected up the incline such that its component of velo...

    Text Solution

    |

  11. From a certain tower of unknown height it is found that the maximum ra...

    Text Solution

    |

  12. Find the time when the displacement of the particle becomes zero. Assu...

    Text Solution

    |

  13. A given object taken double time to slide down a 45^(@) rough incline ...

    Text Solution

    |

  14. A person is standing on road by holding an umbrella at right angle to ...

    Text Solution

    |

  15. The sum, difference and cross produce of two vectors A and B are mutua...

    Text Solution

    |

  16. Velocity time graph of a particle in straight liine motion is in shape...

    Text Solution

    |

  17. Find the centre of mass of a uniform I - shaped lamina (a thin flat pl...

    Text Solution

    |

  18. Acceleration - velocity graph of a particle moving in a straight line ...

    Text Solution

    |

  19. A particle of mass 1 kg moving in a vertical circular path of radius 1...

    Text Solution

    |

  20. A particle is projected upwards with velocity v = 30 m/s. There are tw...

    Text Solution

    |