Home
Class 11
PHYSICS
If co-efficient of friction is sqrt(3) t...

If co-efficient of friction is `sqrt(3)` then what will be the angle between two surface ?

Text Solution

Verified by Experts

f= co - efficient of friction
N= normal force
`mu= ( f ) /(n ) tan theta`
`theta = tan ^(-10 (sqrt(3))`
`theta = 60^(@)`
Promotional Banner

Topper's Solved these Questions

  • LAW OF MOTION

    KUMAR PRAKASHAN|Exercise SECTION-D(NCERT EXEMPLAR SOLUTIONS)|42 Videos
  • LAW OF MOTION

    KUMAR PRAKASHAN|Exercise SECTION -E(MULTIPLE CHOICE QUESTIONS) (MCQS)|69 Videos
  • LAW OF MOTION

    KUMAR PRAKASHAN|Exercise SECTION -B (NUMERICAL FROM DARPAN BASED ON TEXTBOOK)|8 Videos
  • GRAVITATION

    KUMAR PRAKASHAN|Exercise QUESTIONS PAPER Section - D|1 Videos
  • MACHANICAL PROPERTIES OF SOLIDS

    KUMAR PRAKASHAN|Exercise QUESTION PAPER|11 Videos

Similar Questions

Explore conceptually related problems

Radius of level circular track is 20 m. If co­efficient of friction is 0.25, then what will be maximum safe speed ? (g = 9.8 ms^(2) )

The value of co-efficient of static friction (mu_(s)) is in the range between.

The upper half of an in clin ed plane of inclination 30^(@) is perfectly smooth, while the lower half is rough. A block starts from rest from the top of the plane and if it comes back to rest at the bottom, what is the co-efficient of kinetic friction between the surface of block and the rough surface of the inclined plane ?

A block of mass m lying on a rough horizontal plane is acted upon by a horizontal force P and another force Q inclined at an angle theta to the vertical. The minimum value of coefficient of friction of friction between the block and the surface for which the block will remain in equilibrium is

A circular racetrack of radius 300 m is banked at an angle of 20^(@) . If the coefficient of friction between the wheels of the race car and the road is 0.2, what is the approximate maximum permissible speed of the race car ?

The coefficient of static friction between two surfaces depend on

What is the acceleration of the block and trolley system shown in if the coefficient of kinetic friction between the trolley and the surface is 0 .04 ? What is the tension in the string ? Take g = 10 ms^(-2) Neglect the mass of the string .

A body of mass 5xx10^(-3) kg is launched upon a rough inclined plane making an angle of 30^(@) with the horizontal. Obtain the coefficient of friction between the body and the plane if the time of ascent is half of the time of descent.

An object starting from rest slide on slope with 45^(@) . If co-efficient of friction between object and surface is 0.3 x where x is distance covered then at what distance speed will be maximum ?

KUMAR PRAKASHAN-LAW OF MOTION-SECTION-C(OBJECTIVE QUESTIONS) (VSQS)
  1. Why athlete taking long jump run for some distance before taking jump

    Text Solution

    |

  2. When mass of person is doubled, what will change in coefficient of fri...

    Text Solution

    |

  3. If co-efficient of friction is sqrt(3) then what will be the angle bet...

    Text Solution

    |

  4. What is angle between instantaneous velocity and frictional force for ...

    Text Solution

    |

  5. A bus of mass 1000 kg is standing stationary on bus station what is i...

    Text Solution

    |

  6. When direction of object moving on circular path is changed what will ...

    Text Solution

    |

  7. How friction force is provided on vehicle taking turn on level circula...

    Text Solution

    |

  8. On which place on the surface of the earth, centripetal force is maxim...

    Text Solution

    |

  9. On which place on the surface of the earth, centripetal force is maxim...

    Text Solution

    |

  10. Why curved road are provided with slope ?

    Text Solution

    |

  11. An object is subjected to num ber of external forces. Can this object ...

    Text Solution

    |

  12. Why more force is needed to bring heavier mass in motion with definite...

    Text Solution

    |

  13. An object of 18 gram mass is lying on slope of 60^(@). If 36 dyne forc...

    Text Solution

    |

  14. A 10 kg wooden block is lying stationary on rough horizontal surface. ...

    Text Solution

    |

  15. What is the acceleration of train moving with speed of 50 ms^(-1) on c...

    Text Solution

    |

  16. A stone is tied at end of string and whirled in horizontal plane with ...

    Text Solution

    |

  17. Because of which property of the object it tries to oppose the change ...

    Text Solution

    |

  18. W hen body is said to be in equilibrium condition ?

    Text Solution

    |

  19. Momentum is product of velocity and magnitude of velocity”. True or Fa...

    Text Solution

    |

  20. “If a body do not have kinetic energy, then it do not have momentum al...

    Text Solution

    |