Home
Class 11
PHYSICS
Which is a suitable method to decrease f...

Which is a suitable method to decrease friction

A

Ball and bearings

B

Lubrication

C

polishing

D

all the above

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • FLUID MECHANICS

    ERRORLESS |Exercise Fluid Mechanics|19 Videos
  • GRAVITATION

    ERRORLESS |Exercise SET|27 Videos

Similar Questions

Explore conceptually related problems

Which is a suitable method for creativity reinforeement :

Which of the following reactions are suitable method for the preparation of primary amines?

Direct halogenation of alkane is NOT a suitable method for the preparation of alkyl halides because_______.

Which is the most suitable method for removing the traces of water from ethanol ?

ERRORLESS -FRICTION-MCQ S
  1. Two masses A and B of 10 kg and 5 kg, respectively , are connected wit...

    Text Solution

    |

  2. The limiting friction is

    Text Solution

    |

  3. Which is a suitable method to decrease friction

    Text Solution

    |

  4. A uniform rope of length L meters is lying over a table. If the coeffi...

    Text Solution

    |

  5. Which of the following statements is not true

    Text Solution

    |

  6. A block of 1 kg is stopped against a wall by applying a force F perpen...

    Text Solution

    |

  7. A heavy uniform chain lies on a horizontal table-top. If the coefficie...

    Text Solution

    |

  8. The blocks A and B are arranged as shown in the figure. The pulley is ...

    Text Solution

    |

  9. Work done by a frictional force is

    Text Solution

    |

  10. L changes partly from a table which is kept in equilibrium by friction...

    Text Solution

    |

  11. When two surfaces are coated with a lubricant, then they

    Text Solution

    |

  12. A 20 kg block is initially at rest on a rough horizontal surface. A h...

    Text Solution

    |

  13. A block A with mass 100kg is resting on another block B of mass 200kg....

    Text Solution

    |

  14. To avoid slipping while walking on ice, one should take smaller steps ...

    Text Solution

    |

  15. A box is lying on an inclined plane what is the coefficient of static ...

    Text Solution

    |

  16. A block of mass 2kg is kept on the floor. The coefficient of static fr...

    Text Solution

    |

  17. Which one of the following is not used to reduce friction

    Text Solution

    |

  18. If a ladder weighting 250 N is placed against a smooth vertical wall h...

    Text Solution

    |

  19. A body of mass 2 kg is kept by pressing to a vertical wall by a force ...

    Text Solution

    |

  20. A horizontal force of 10N is necessary to just hold a block stationary...

    Text Solution

    |