Home
Class 11
PHYSICS
A mass of 4 kg rest on a horizontal plan...

A mass of 4 kg rest on a horizontal plane . The plane is gradually inclined until an angle `0 = 15^(@)` with the horizontal and the mass just begins to slide . What is the coefficient of static friction between the block and the surface ?

Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION : FRICTION

    SL ARORA|Exercise Problems|17 Videos
  • LAWS OF MOTION : FRICTION

    SL ARORA|Exercise Self Practice|95 Videos
  • Laws of Motion

    SL ARORA|Exercise Exercise|627 Videos
  • Mathematical tools

    SL ARORA|Exercise Exercise|20 Videos

Similar Questions

Explore conceptually related problems

A mass of 4 kg rests on a horizontal plane. When the plane is gradually inclined to an angle 0 -15° with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface? [Given, tan 15° = 0.2679)

A block of mass 4kg rests on a rough horizontal plane. The plane is gradually inclined until at an angle theta=60^(@) , with the vertical, the mass just begins to side. What is the coefficient of static friction between the block and the plane?

A block of mass 5 kg rests on a inclined plane at an angle of 30^(@) with the horizontal. If the block just begins to slide, then what is the coefficient of static friction between the block and the surface?

A block of mass 20 kg is placed on a rough horizontal surface. When a force of 80 N is applied at an angle of 30°with the horizontal, the block just begins to slide. What is the coefficient of static friction ? (g= 10m//s^2 )

A block of mass 8 kg is sliding on a surface inclined at an angle of 45^(@) with the horizontal. Calculate the acceleration of the block. The coefficient of friction between the block and surface is 0.6. (Take g=10m//s^(2) )

A partical of mass 1kg rests on rought contact with a plane inclined at 30^(@) to the horizontal and is just about to slip, Find the coefficient of friction between the plane and the particle.

A block of mass 5 kg is placed on a rough inclined plane. The inclination of the plane is gradually increased till the block just begins to slide down. The inclination of the plane is than 3 in 5. The coefficient of friction between the block and the plane is (Take, g = 10m//s^(2) )

A block of mass 8 kg is sliding on a surface inclined at an angle of 45^(@) with the horizontal . Calculate the acceleration of the block . The coefficient of friction between the block and surface is 0*6 ( Take g = 10 m//s^(2) )

A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

SL ARORA-LAWS OF MOTION : FRICTION-Self Practice
  1. A mass of 4 kg rest on a horizontal plane . The plane is gradually inc...

    Text Solution

    |

  2. A force acts for 10 s on a body of mass 10 kg after which the force ce...

    Text Solution

    |

  3. A truck starts from rest and rolls down a hill with a constant acceler...

    Text Solution

    |

  4. A force of 5N gives a mass m(1), an acceleration of 8 m//s^(2), and a ...

    Text Solution

    |

  5. A body of mass 1 kg is acted upon by a force of 4000 dyne. As a result...

    Text Solution

    |

  6. A motor car of mass 20 quintal moving with velocity of 60 kmh^(-1), b...

    Text Solution

    |

  7. In an X-ray machine an electron is subjected to a force of 10^(-23) N ...

    Text Solution

    |

  8. A stone of mass 5kg falls from the top of a cliff 50m high and buries ...

    Text Solution

    |

  9. A bus starts from rest accelerating unifromly with 4 ms^(-2) . At t =...

    Text Solution

    |

  10. A motor car running at the rate of 7ms^(1) can be stooped by applying ...

    Text Solution

    |

  11. A force of 50N is inclined to the vertical at an angle of 30^(@) Find ...

    Text Solution

    |

  12. A sooterist moving with a speed of 36kmh^(-1) sees a child standing in...

    Text Solution

    |

  13. A ship of mass 3xx10^7kg initially at rest, is pulled by a force of 5x...

    Text Solution

    |

  14. A body of mass 5 kg is acted upon by two perpendicular forces of 4 N a...

    Text Solution

    |

  15. Forces of 5sqrt2 and 6sqrt2N are acting on a body of mass 1000 kg at a...

    Text Solution

    |

  16. A bullet of mass 50g moving with a speed of 500 ms^(-1) is brought to ...

    Text Solution

    |

  17. A cricket ball of mass 150 kg is moving with a velocity of 12 m//s and...

    Text Solution

    |

  18. A hammer weighing 3 kg moving with a velocity of 10ms^(-1) strikes aga...

    Text Solution

    |

  19. A rubber ball of mass 50g falls from a height of 100cm and rebounds to...

    Text Solution

    |

  20. Two billiard balls each of mass 0 .05 kg moving in opposite directions...

    Text Solution

    |

  21. A machine gun has a mass of 20kg It fires 30g bullets at the rate of 4...

    Text Solution

    |