Home
Class 9
PHYSICS
Which substance cannot be used to reduce...

Which substance cannot be used to reduce friction?

A

Oil

B

Grease

C

Gum

D

Graphite

Text Solution

Verified by Experts

Gum
Promotional Banner

Topper's Solved these Questions

  • FORCE AND LAWS OF MOTION

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS(Fill in the blanks :)|10 Videos

  • FORCE AND LAWS OF MOTION

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS(Fill in the blanks by selecting the correct alternative from those given in the bracket:)|10 Videos

  • FORCE AND LAWS OF MOTION

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS( Answer the following questions in very short :)|20 Videos

  • GRAVITATION

    KUMAR PRAKASHAN|Exercise ACTIVITY 10.4|2 Videos

Similar Questions

Explore conceptually related problems

Write remedies to reduce friction.

KUMAR PRAKASHAN-FORCE AND LAWS OF MOTION-QUESTIONS AND ANSWERS( Choose the correct option from those given below each question :)
  1. For which type of surface magnitude of frietional force would be less?

    Text Solution

    |

  2. On which factor the frictional force does not depend?

    Text Solution

    |

  3. Which substance cannot be used to reduce friction?

    Text Solution

    |

  4. How much acceleration is produced onapplying a force of 0.5 N on an ob...

    Text Solution

    |

  5. What change would occur in acceleration. if the external force acting ...

    Text Solution

    |

  6. Which of the following physical quantity is scalar?

    Text Solution

    |

  7. If a force of 5N acts on an object of mass 2 kg for 2 s. then = what w...

    Text Solution

    |

  8. If a constant force is applied to an object of mass 0.9 kg in stationa...

    Text Solution

    |

  9. What is the momentum of an object of mass m, moving with a velocity v ...

    Text Solution

    |

  10. Momentum of an object is 28 kg ms^(-1). If its velocity is 1.4 ms^(-1)...

    Text Solution

    |

  11. A ball of mass m collides with the ground with velocity and then comes...

    Text Solution

    |

  12. When is the momentum of an object zero?

    Text Solution

    |

  13. kg ms^(-2) is the unit of which physical quan tity?

    Text Solution

    |

  14. On applying force in opposite direction of motion of an object, what e...

    Text Solution

    |

  15. On applying a force of 5N to an object, if acceleration equal to 10 ms...

    Text Solution

    |

  16. A goalkeeper in the game of the football move his hands backwards in o...

    Text Solution

    |

  17. Which of the following statements is not true for an object performing...

    Text Solution

    |

  18. According to the Newton's third law of motion action free and reaction...

    Text Solution

    |

  19. The object due to the property of Inertia can…..

    Text Solution

    |

  20. A traveller tosses a coin in upward direction during his journey in a ...

    Text Solution

    |