Home
Class 11
PHYSICS
A block with a square base measuring axx...

A block with a square base measuring `axxa` and height h, is placed on an inclined plane. The coefficient of friction is `mu`. The angle of inclination `(theta)` of the plane is gradually increased. The block will

A

topple before sliding if `mu gt (a)/(h)`

B

topple before sliding if `mu lt (a)/(h)`

C

slide before toppling if `mugt(a)/(h)`

D

slide before toppling if `mugt(a)/(h)`

Text Solution

Verified by Experts

The correct Answer is:
A, D
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    DC PANDEY ENGLISH|Exercise Comprehension Type Questions|40 Videos

  • ROTATIONAL MOTION

    DC PANDEY ENGLISH|Exercise Matrix Matching Type Questions|16 Videos

  • ROTATIONAL MOTION

    DC PANDEY ENGLISH|Exercise A Only One Option is Correct|86 Videos

  • ROTATIONAL MECHANICS

    DC PANDEY ENGLISH|Exercise Subjective Questions|2 Videos

  • SEMICONDUCTORS AND ELECTRONIC DEVICES

    DC PANDEY ENGLISH|Exercise More than One Option is Correct|3 Videos

Similar Questions

Explore conceptually related problems

A block of base 10cmxx10cm and height 15cm is kept on an inclined plane. The coefficient of friction between them is sqrt3 . The inclination theta of this inclined plane from the horizontal plane is gradually increased from 0^@ Then

A block of mass m is at rest on an inclined plane. The coefficient of static friction is mu . The maximum angle of incline before the block begins to slide down is :

A block of mass m is placed on a rough inclined plane. The corfficient of friction between the block and the plane is mu and the inclination of the plane is theta .Initially theta=0 and the block will remain stationary on the plane. Now the inclination theta is gradually increased . The block presses theinclined plane with a force mgcostheta . So welding strength between the block and inclined is mumgcostheta , and the pulling forces is mgsintheta . As soon as the pulling force is greater than the welding strength, the welding breaks and the blocks starts sliding, the angle theta for which the block start sliding is called angle of repose (lamda) . During the contact, two contact forces are acting between the block and the inclined plane. The pressing reaction (Normal reaction) and the shear reaction (frictional force). The net contact force will be resultant of both. Answer the following questions based on above comprehension: Q. If mu=(3)/(4) then what will be frictional force (shear force) acting between the block and inclined plane when theta=30^@ :

A block of mass m is placed on a rough inclined plane. The corfficient of friction between the block and the plane is mu and the inclination of the plane is theta .Initially theta=0 and the block will remain stationary on the plane. Now the inclination theta is gradually increased . The block presses theinclined plane with a force mgcostheta . So welding strength between the block and inclined is mumgcostheta , and the pulling forces is mgsintheta . As soon as the pulling force is greater than the welding strength, the welding breaks and the blocks starts sliding, the angle theta for which the block start sliding is called angle of repose (lamda) . During the contact, two contact forces are acting between the block and the inclined plane. The pressing reaction (Normal reaction) and the shear reaction (frictional force). The net contact force will be resultant of both. Answer the following questions based on above comprehension: Q. For what value of theta will the block slide on the inclined plane:

A block of mass m is placed on a rough inclined plane. The corfficient of friction between the block and the plane is mu and the inclination of the plane is theta .Initially theta=0 and the block will remain stationary on the plane. Now the inclination theta is gradually increased . The block presses theinclined plane with a force mgcostheta . So welding strength between the block and inclined is mumgcostheta , and the pulling forces is mgsintheta . As soon as the pulling force is greater than the welding strength, the welding breaks and the blocks starts sliding, the angle theta for which the block start sliding is called angle of repose (lamda) . During the contact, two contact forces are acting between the block and the inclined plane. The pressing reaction (Normal reaction) and the shear reaction (frictional force). The net contact force will be resultant of both. Answer the following questions based on above comprehension: Q. If the entire system, were accelerated upward with acceleration a the angle of repose, would:

A block of mass m rests on a rough inclined plane. The coefficient of friction between the surface and the block is µ. At what angle of inclination theta of the plane to the horizontal will the block just start to slide down the plane?

A mass placed on an inclined place is just in equilibrium. If mu is coefficient of friction of the surface, then maximum inclination of the plane with the horizontal is

A block of mass m sides down an inclined right angled trough .If the coefficient of friction between block and the trough is mu_(k) acceleration of the block down the plane is

A block of mass m is pulled on an incline surface having coefficient of friction mu=1 & angle of inclination theta=30^(@) , with the horizontal, such that required external force is minimum. The angle made by this force with the incline is :

In the situation shown, the force required to just move a body up an inclined plane is double the force required to just prevent the body from sliding down the plane. The coefficient of friction between the block and plane is mu . The angle of inclination of the plane from horizontal is given by :

DC PANDEY ENGLISH-ROTATIONAL MOTION-More than one option is correct
  1. A solid sphere of radius R is rolled by a force F acting at the topo o...

    Text Solution

    |

  2. A disc of mass M and radius R moves in the x-y plane as shown in the f...

    Text Solution

    |

  3. Four particle of mass m each are placed at four corners of a square AB...

    Text Solution

    |

  4. Two forces F(1) " and " F(2) are acting on a rod abc as shown in figu...

    Text Solution

    |

  5. A block with a square base measuring axxa and height h, is placed on a...

    Text Solution

    |

  6. A wheel ( to be considered as a ring ) of mass m and radius R rolls wi...

    Text Solution

    |

  7. A uniform thin rod AB of mass M and length l attached to a string OA o...

    Text Solution

    |

  8. A ball is projected with velocityd of 20sqrt(2) m/s at an angle of 45^...

    Text Solution

    |

  9. A rigid rod of mass m slides along a fixed circular track followed by ...

    Text Solution

    |

  10. A massless spool of inner radius r outer radius R is placed against a ...

    Text Solution

    |

  11. Two particles each of mass m are attached at end points of a massless ...

    Text Solution

    |

  12. A rod CD of length L and mass m is placed horizontally on a frictionle...

    Text Solution

    |

  13. A particle of mass m is doing horizontal circular motion with the help...

    Text Solution

    |

  14. A thin uniform rod of mass 5 kg and length 1 m is held in horizontal p...

    Text Solution

    |

  15. In the figure shown a uniform rod of length l and mass m is kept at re...

    Text Solution

    |

  16. A particle of mass 'm' is attached to the rim of a uniform disc of mas...

    Text Solution

    |

  17. A uniform square plate of mass m and edge a initially at rest startas ...

    Text Solution

    |

  18. A particle of mass m and velocity v(0) is fired at a solid cylinder of...

    Text Solution

    |

  19. A cylinder is rolling towards a cube of same mass on rough horizontal ...

    Text Solution

    |

  20. A uniform solid cylinder of radius 'R' has a circular cut of radius (R...

    Text Solution

    |