Home
Class 9
PHYSICS
When a rubber balloon held between the h...

When a rubber balloon held between the hands is pressed, its shape changes. This happens because :

A

balanced forces act on the balloon

B

unbalanced forces act on the balloon

C

frictional forces act on the balloon

D

gravitational forces act on the balloon

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • FORCE AND LAWS OF MOTION

    LAKHMIR SINGH & MANJIT KAUR|Exercise Exercise|145 Videos

  • GRAVITATION

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT book|1 Videos

Similar Questions

Explore conceptually related problems

When a car runs on a circular track with a uniform speed, its velocity is said to be changing. This is because :

When a rubber cord is stretched, the change in volume with respect to change in its linear dimensions is negligible. The Poisson's ratio for rubber is

When a rubber cord is streched, the changed in volume in neglible compared to the change in its linear dimension. Then Posisson's ratio for rubber is

(a) What do you understand by the terms "balanced forces" and "unbalanced forces" ? Explain with examples. (b) What types of forces-balanced or unbalanced-act on a rubber ball when we press it between our hands ? What effect is produced in the ball ?

Why does the moon change its shape daily?

LAKHMIR SINGH & MANJIT KAUR-FORCE AND LAWS OF MOTION-Exercise
  1. If we release a magnet held in our hand, it falls to the ground. The f...

    Text Solution

    |

  2. The inertia of a moving object depends on:

    Text Solution

    |

  3. When a rubber balloon held between the hands is pressed, its shape cha...

    Text Solution

    |

  4. Which of the following effect cannot be produced by an unbalanced forc...

    Text Solution

    |

  5. A plastic ball and a clay ball of equal masses, travelling in the same...

    Text Solution

    |

  6. A moving bicycle comes to rest after sometime if we stop pedalling it....

    Text Solution

    |

  7. A man throws a ball weighing 500 g vertically upwards with a speed of ...

    Text Solution

    |

  8. A car is mnoving on a level road, If the driver turns off the engine o...

    Text Solution

    |

  9. There are two types of forces X and Y. The forces belonging to type X ...

    Text Solution

    |

  10. Which physical quantity corresponds to rate of change of momentum?

    Text Solution

    |

  11. State the relation between the momentum of a body and the force actin...

    Text Solution

    |

  12. What is the SI unit of force?

    Text Solution

    |

  13. What is one Newton force?

    Text Solution

    |

  14. What is the relationship between force and acceleration ?

    Text Solution

    |

  15. If the mass of a body and the force acting on it are both doubled, wha...

    Text Solution

    |

  16. Name the physical quantity whose unit is 'newton.

    Text Solution

    |

  17. Which physical principal is involved in the working of a jet aeroplane...

    Text Solution

    |

  18. Name the principal on which a rocket works.

    Text Solution

    |

  19. Is the following statement true or false : A rocket can propel itsel...

    Text Solution

    |

  20. What is the force which produces an acceleration of 1 m/s^(2) in a bod...

    Text Solution

    |