Home
Class 12
PHYSICS
If mu= coefficient of friction and thet...

If `mu`= coefficient of friction and `theta` is the angle of friction, then

A

`mu=sinphi`

B

`mu="cosec"phi`

C

`mu=secphi`

D

`mu=tanphi`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • FRICTION

    MBD PUBLICATION|Exercise QUISTION BANK|72 Videos

  • ELECTROMAGNETIC WAVES

    MBD PUBLICATION|Exercise QUESTION BANK|180 Videos

  • GRAVITATION

    MBD PUBLICATION|Exercise QUESTION BANK|219 Videos

Similar Questions

Explore conceptually related problems

If the coefficient of friction is √3 , the angle of friction:

Define angle of friction.

Friction can be

Force of friction is a

Explain what is meant by co-efficient of friction and angle of friction. Establish relation between the two:

How coefficient of friction and angle of repose are related ?

Explain how a body will move up in an incline with uniform velocity if the co.efficient of friction of the inclined plane is μ and the, angle of inclination of the plane to the horizontal is 'θ'

Write down the mathematical expression for coefficient of static friction in terms of angle of repose.

A100 N force acts horizontally on a block of 10 kg placed on horizontal rough table of coefficient of friction mu=0.5g=10m//s^2 . What is the acceleration of the block ?

A100 N force acts horizontally on a block of 10 kg placed on horizontal rough table of coefficient of friction 1.What is the acceleration of the block ?

MBD PUBLICATION-FRICTION-QUISTION BANK
  1. If mu= coefficient of friction and theta is the angle of friction, th...

    Text Solution

    |

  2. Is it reasonable to expect the coefficient of friction to exceed unity...

    Text Solution

    |

  3. It is known that polishing a surface beyond a certain limit increases ...

    Text Solution

    |

  4. Why do we slip on a muddy road ?

    Text Solution

    |

  5. State whether the following assertion is true or false : When a person...

    Text Solution

    |

  6. Is a large brake on a bicycle wheel more effective than a small one ?

    Text Solution

    |

  7. Why are vehicles provided with wheels and- ball bearing ?

    Text Solution

    |

  8. Comment on the statement ‘friction is necessary evil’.

    Text Solution

    |

  9. It is easier to than push.

    Text Solution

    |

  10. How does a lubricant help in decreasing friction ?

    Text Solution

    |

  11. To slide a heavy box, we generally left it a bit to place a metallic p...

    Text Solution

    |

  12. Why has a horse to pull a cart harder during the first few steps of hi...

    Text Solution

    |

  13. How do we save petrol when the tyres of the motor cycle are fully infl...

    Text Solution

    |

  14. Write down the dimensional formula of force of friction

    Text Solution

    |

  15. Write down the mathematical expression for coefficient of static frict...

    Text Solution

    |

  16. Write down the mathematical expression for coefficient of kinetic fric...

    Text Solution

    |

  17. Write down the mathematical expression for coefficient of static frict...

    Text Solution

    |

  18. What is the slope of the graph attained by plotting of dynamic frictio...

    Text Solution

    |

  19. What is static friction ?

    Text Solution

    |

  20. What is kinetic friction ?

    Text Solution

    |

  21. Discuss the statement “friction is a necessary evil”.

    Text Solution

    |