Home
Class 11
PHYSICS
The angle of inclination of an inclined ...

The angle of inclination of an inclined plane is `60^(@)`. Coefficient of friction between `10kg` body on it and its surface is `0.2, g= 10ms^(-2)`. The acceleration of the body down the plane in `ms^(-2)` is .
In the above problem the frictional force on the body is .

A

'56.N6'

B

`66.6N`

C

`76.6N`

D

`86.6N`

Text Solution

Verified by Experts

The correct Answer is:
C
`F =ma, a = g (sin theta -mu_(k) cos theta)`
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise LEVEL -II (C.W)|71 Videos

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise LEVEL -III|31 Videos

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise C.U.Q|73 Videos

  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 H.W|29 Videos

  • OSCILLATIONS

    NARAYNA|Exercise EXERCISE - IV|41 Videos

Similar Questions

Explore conceptually related problems

The angle of inclination of an inclined plane is 60^(@) . Coefficient of friction between 10kg body on it and its surface is 0.2, g= 10ms^(-2) . The acceleration of the body down the plane in ms^(-2) is . In the above problem the minimum force on the body is .

The angle of inclination of an inclined plane is 60^(@) . Coefficient of friction between 10kg body on it and its surface is 0.2, g= 10ms^(-2) . The acceleration of the body down the plane in ms^(-2) is In the above problem the minimum, force required to pull the body up the inclined plane .

The coefficient of friction between a body and the surface of an inclined plane at 45^(@) is 0.5. if g=9.8m//s^(2) , the acceleration of the body downwards I m//s^(2) is

A block is lying on an inclined plane which makes 60^(@) with the horizontal. If coefficient of friction between block and plane is 0.25 and g=10m//s^2 , , then acceleration of the block when it moves along the plane will be

A body is sliding down a rough inclined plane The coefficient of friction between the body and the plane is 0.5 .The ratio of the net force required for the body to slide down and the normal reaction on the body is 1:2 Then the angle of the inclined plane is

When a body slides down an inclined plane with coefficient of friction as mu_(k) , then its acceleration is given by .

When a body is lying on a rough inclined plane and does not move, the force of friction

NARAYNA-NEWTONS LAWS OF MOTION-LEVEL -I (C.W)
  1. The coefficients of static and dynamic friction are 0.7 and 0.4 The mi...

    Text Solution

    |

  2. The coefficients of static friction between contact surface of two bod...

    Text Solution

    |

  3. Brakes are applied to car moving with disengaged engine, bringing it t...

    Text Solution

    |

  4. A book of weight 20N is pressed between two hands and each hand exerts...

    Text Solution

    |

  5. A car running with a velocity 72 kmph on a level road is stoped after ...

    Text Solution

    |

  6. In the above problem car got a stopping distance of 80m on cement road...

    Text Solution

    |

  7. A 10 kg mass is resting on a horizontal surface and horizontal force o...

    Text Solution

    |

  8. A block of mass 20kg is pushed with a horizontal force of 90N. It the ...

    Text Solution

    |

  9. A force of 150N produces an acceleration of 2ms^(-2) in a body and a f...

    Text Solution

    |

  10. A heavy uniform chain lies on horizontal table top. If the coefficient...

    Text Solution

    |

  11. The angle of inclination of an inclined plane is 60^(@). Coefficient o...

    Text Solution

    |

  12. The angle of inclination of an inclined plane is 60^(@). Coefficient o...

    Text Solution

    |

  13. The angle of inclination of an inclined plane is 60^(@). Coefficient o...

    Text Solution

    |

  14. The angle of inclination of an inclined plane is 60^(@). Coefficient o...

    Text Solution

    |

  15. When a body slides down an inclined plane with coefficient of friction...

    Text Solution

    |

  16. A brick of mass 2kg begins to slide down on a plane inclined at an ang...

    Text Solution

    |

  17. The lengths of smooth & rough inclined planes of inclination 45^(@) is...

    Text Solution

    |

  18. A block of weight 200N is pulled along a rough horizontal surface at c...

    Text Solution

    |

  19. The centripetal force required by a 1000 kg car that takes a turn of r...

    Text Solution

    |

  20. A stone of mass 0.5kg is attached to a string of length 2m and is whir...

    Text Solution

    |