Home
Class 12
PHYSICS
A block of mass m=1/3 kg is kept on a ro...

A block of mass m=1/3 kg is kept on a rough horizontal plane. Friction coefficient is `mu=0.75`. The work done by minimum force required to drag to the block along the plane by a distance 5m is :-

A

8 J

B

4 J

C

2 J

D

6 J

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A block of mass 2 kg is kept on a rough horizontal floor an pulled with a force F. If the coefficient of friction is 0.5. then the minimum force required to move the block is :-

A block of mass 5kg is placed on a rough horizontal plane whose coefficient of friction is 0.3 . Find the least horizontal force needed to move the block along the plane and the resultant of normal reaction and the force applied.

A block of mass m is kept on a horizontal table. If the static friction coefficient is mu ., find the frictional force acting on the block.

A block of mass 10kg is placed on a rough horizontal surface having coefficient of friction mu=0.5 . If a horizontal force of 100N is acting on it, then acceleration of the will be.

A block of mass 10kg is placed on a rough horizontal surface having coefficient of friction mu=0.5 . If a horizontal force of 100N is acting on it, then acceleration of the will be.

A block of mass m is pulled by a constant powert P placed on a rough horizontal plane. The friction coefficient the block and surface is mu . The maximum velocity of the block is.

A block of mass m = 3 kg slides on a rough inclined plane of cofficient of friction 0.2 Find the resultant force offered by the plane on the block

A block of mass m=5kg is resting on a rough horizontal surface for which the coefficient of friction is 0.2 . When a force F=40N is applied, the acceleration of the block will be (g=10m//s^(2)) .

A block of mass 10kg is placed on a rough horizontal surface having coefficient of friction mu=0.5 . If a horizontal force of 100N is acting on it, then acceleration of the block will be.

A block of mass 10kg is placed on a rough horizontal surface having coefficient of friction mu=0.5 . If a horizontal force of 100N is acting on it, then acceleration of the block will be.

ALLEN-TEST PAPER-Exercise (Physics)
  1. N similar slabs of cubical shape of edge b are lying on ground. Densit...

    Text Solution

    |

  2. A ball collides elastically with a massive wall moving towards it with...

    Text Solution

    |

  3. A block of mass m=1/3 kg is kept on a rough horizontal plane. Friction...

    Text Solution

    |

  4. Consider two observers moving with respect to each other at a speed v ...

    Text Solution

    |

  5. Consider following statement (A) Work done by pseudo force in non-in...

    Text Solution

    |

  6. Forces acting on a particle have magnitude of 14N, 7N and 7N act in th...

    Text Solution

    |

  7. The graph below shows how the force on a mass depends on the position ...

    Text Solution

    |

  8. The kinetic energy of a particle continuously increases with time. The...

    Text Solution

    |

  9. Force acting on a block moving along x-axis is given by F = - ((4)/...

    Text Solution

    |

  10. In the figure, a block slides along a track from one level to a higher...

    Text Solution

    |

  11. A block of mass 2.0 kg is given an initial speed along the floor towar...

    Text Solution

    |

  12. A particle moves on x-axis such that its KE varies as a relation KE=3t...

    Text Solution

    |

  13. The potential energy (in joules ) function of a particle in a region o...

    Text Solution

    |

  14. AB is a quarter of a smooth horizontal circular track of radius R,A pa...

    Text Solution

    |

  15. The potential energy of a particle of mass 1 kg moving in X-Y plane is...

    Text Solution

    |

  16. A block of mass m is pushed up agains a spring, compressing it by a di...

    Text Solution

    |

  17. A train of mass 100 metric tons is ascending uniformly on an incline o...

    Text Solution

    |

  18. in which fo the following cases the centre of mass of a rod is certain...

    Text Solution

    |

  19. A man of mass 80 kg stands on a plank of mass 40 kg. The plank is lyin...

    Text Solution

    |

  20. A monkey of mass 20 kg rides on a 40 kg trolley moving at a constant s...

    Text Solution

    |