Home
Class 12
PHYSICS
Before jumping into water from a height,...

Before jumping into water from a height, a swimmer bend his body to

A

increase moment of inertia

B

decrease the angular momentum

C

decrease moment of inertia

D

reduces the angular velocity

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER - MH-CET 2018

    NIKITA PUBLICATION|Exercise MCQ|50 Videos
  • SEMICONDUCTORS

    NIKITA PUBLICATION|Exercise MCQS|350 Videos

Similar Questions

Explore conceptually related problems

A swimmer while jumping into water from a height easily forms a loop in air, if

NIKITA PUBLICATION-ROTATIONAL MOTION -MULTIPLE CHOICE QUESTIONS
  1. Relation between torque and angular momentum is similar to the relatio...

    Text Solution

    |

  2. According to the principle of conservation of angular momentum, if mom...

    Text Solution

    |

  3. Before jumping into water from a height, a swimmer bend his body to

    Text Solution

    |

  4. Angular momentum is vector product of

    Text Solution

    |

  5. The angular momentum L, the linear momentum P and position vector 'r' ...

    Text Solution

    |

  6. A fly wheel used in steam or diesel engine must have

    Text Solution

    |

  7. If the resultant external torque acting on a body is zero, then angula...

    Text Solution

    |

  8. A dancer on ice spins faster when she folds her arms due to

    Text Solution

    |

  9. What is angular impulse ?

    Text Solution

    |

  10. A ballet dancer is rotating about his own vertical axis on smooth hori...

    Text Solution

    |

  11. A small body is attached to one end of a string is revolved around a r...

    Text Solution

    |

  12. Raw and boiled eggs are made to spin on a smooth table by applying the...

    Text Solution

    |

  13. A boiled egg and a raw egg of same mass and size are made to rotate ab...

    Text Solution

    |

  14. If polar ice caps melt, then the time duration of one day

    Text Solution

    |

  15. Angular momentum is

    Text Solution

    |

  16. The kinetic energy of a rotating body depends upon

    Text Solution

    |

  17. A boiled egg and a raw egg of same mass and size are made to rotate ab...

    Text Solution

    |

  18. When a circular disc of radius 0.5 m is rotating about its own axis, t...

    Text Solution

    |

  19. A circular of radius 20 cm is rotating about its own axis at an angula...

    Text Solution

    |

  20. A constant torque acting on a uniform circular disc changes its angul...

    Text Solution

    |