A person standing on a rotating platform has his hands lowered. He suddenly outstretch his arms. The angular momentum |
|||||||

a) |
Becomes zero |
b) |
Increases |
c) |
Decreases |
d) |
Remains the same |

A person standing on a rotating platform has his hands lowered. He suddenly outstretch his arms. The angular momentum |
|||||||

a) |
Becomes zero |
b) |
Increases |
c) |
Decreases |
d) |
Remains the same |

1 Answer

127 votes

When the hands outstretched, moment of inertia increases and angular velocity decreases so that angular momentum remains unchanged |

127 votes

127