Home
Class 8
PHYSICS
What enables us to fix nails in a wall a...

What enables us to fix nails in a wall and knots to be tied ?

Text Solution

Verified by Experts

Friction enables us to fix a nail on the wall and knot to be tied.
Promotional Banner

Topper's Solved these Questions

  • FORCE AND PRESSURE.

    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISE|120 Videos

  • SOME NATURAL PHENOMEAN

    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISE|100 Videos

Similar Questions

Explore conceptually related problems

Which pigment enables us to see in the dark ?

The image of a small electric bulb fixed on the wall of a room is to be obtained on the opposite wall 3 m away by means of a large convex lens. What is the maximum possible focal length of the lens required for the purpose ?

_________ can be used to remove nails from a wall or a pice of wool

If air blown through the space between a calendar suspended from a nail on wall and the wall, then

What enables our eyes to see a motion picture ?

why an ordinary hammer can be used to remove nails from a wall or a piece of wood

LAKHMIR SINGH & MANJIT KAUR-FRICTION-EXERCISE
  1. What prevents you from slipping every time you take a step forward ?

    Text Solution

    |

  2. Name the force which helps things to move and stop.

    Text Solution

    |

  3. What enables us to fix nails in a wall and knots to be tied ?

    Text Solution

    |

  4. What makes the steps of foot over-bridges and Railways Station to wear...

    Text Solution

    |

  5. What is done to increase friction between the tyres and road ?

    Text Solution

    |

  6. Why do gymnasts apply a coarse substance to their hands ?

    Text Solution

    |

  7. Why do kabaddi players rub their hands with dry soil ?

    Text Solution

    |

  8. Name the device which is used between the hubs and axles of bicycle wh...

    Text Solution

    |

  9. What is the purpose of using ball bearings in machines ?

    Text Solution

    |

  10. Name any two machines in which bearings are used.

    Text Solution

    |

  11. The ovule is attached to the placenta by a stalk called ………… .

    Text Solution

    |

  12. Name one example from everyday life where wheels (or rollers) are used...

    Text Solution

    |

  13. Why does oiling the axles of bicycle make the bicycle move more easily...

    Text Solution

    |

  14. State one way in which the friction between wheel and its axle can be ...

    Text Solution

    |

  15. Name two common lubricants.

    Text Solution

    |

  16. Why do we sprinkle fine powder on carrom board ?

    Text Solution

    |

  17. Which force gets reduced when the two surface in contact are polished ...

    Text Solution

    |

  18. Why is the surface of a slide polished to make it smooth ?

    Text Solution

    |

  19. Name the force which increases when the two surface in contact are mad...

    Text Solution

    |

  20. What is the special name of frictional exerted by fluids (like air or ...

    Text Solution

    |