Home
Class 11
PHYSICS
when a child sits stationary at one end ...

when a child sits stationary at one end of a long trolley moving uniformly with some speed on a smooth horizontal plane. The speed of the centre of mass of system (child and trolley),

A

increases

B

decreases

C

remains same

D

changes

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOTION OF SYSTEM OF PARTICLES AND BODIES

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWER (VERY SHORT ANSWER QUESTIONS)|24 Videos

  • MOTION OF SYSTEM OF PARTICLES AND BODIES

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWER (SHORT ANSWER QUESTIONS)|38 Videos

  • MOTION OF SYSTEM OF PARTICLES AND BODIES

    PREMIERS PUBLISHERS|Exercise TEXTBOOK QUESTIONS & ANSWERS (NUMERICAL PROBLEMS)|12 Videos

  • LAW OF MOTION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS (VI Numerical Problems)|62 Videos

  • NATURE OF PHYSICAL WORLD AND MEASUREMENT

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS (III. Short Answer Questions.)|24 Videos
PREMIERS PUBLISHERS-MOTION OF SYSTEM OF PARTICLES AND BODIES-OTHER IMPORTANT QUESTIONS & ANSWER (MULTIPLE CHOICE QUESTIONS)
  1. A point in the system at which whole mass of the body is supposed to b...

    Text Solution

    |

  2. The location of the centre of mass of a sphere is at:

    Text Solution

    |

  3. when a child sits stationary at one end of a long trolley moving unifo...

    Text Solution

    |

  4. Centre of mass of the body practically coincides with:

    Text Solution

    |

  5. A fly wheel of moment of inertia 4xx10^(-3)kgm^(2) is makign 10 revolu...

    Text Solution

    |

  6. The mass of a body measures:

    Text Solution

    |

  7. Identify the vector quantity among the following:

    Text Solution

    |

  8. Angular momentum is ………………….. Vector.

    Text Solution

    |

  9. A diver in a swimming pool bends his head before diving. It

    Text Solution

    |

  10. Which one of the following statement is not correct?

    Text Solution

    |

  11. When a steady torque is acting on a body, the body:

    Text Solution

    |

  12. A circular turn table has a block of ice placed at its centre. The sys...

    Text Solution

    |

  13. The curve betwee log(e)L and log(e)P is (L is the angular momentum and...

    Text Solution

    |

  14. A couple produces motion.

    Text Solution

    |

  15. A wheel is rotating at the rate of 10 revolutions per second about an ...

    Text Solution

    |

  16. A particle is moving with a contant velocity along a line parallel to ...

    Text Solution

    |

  17. A particle undergoes uniform circular motion. The angular momentum of ...

    Text Solution

    |

  18. A particle is confined to rotate in a circular path with decreasing li...

    Text Solution

    |

  19. A solid sphere is rotationg in free space. If the radius of the sphere...

    Text Solution

    |

  20. A couple is acting on a two particle system. The resultant motion will...

    Text Solution

    |