State law of conservation of angular momentum.Explain it with an example.
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https://www.meritnation.com/ask-answer/question/please-explain-the-concept-of-angular-momentum-and-obtain/system-of-particles-and-rotational-motion/6375220
Example :
A circus acrobat performs feats involving spin by bringing his arms and legs closer to his body or vice versa. On bringing the arms and legs closer t the body, his moment f inertia decreases. Hence, his angular velocity ω increases. The reverse is also true.
https://www.meritnation.com/ask-answer/question/please-explain-the-concept-of-angular-momentum-and-obtain/system-of-particles-and-rotational-motion/6375220
Example :
A circus acrobat performs feats involving spin by bringing his arms and legs closer to his body or vice versa. On bringing the arms and legs closer t the body, his moment f inertia decreases. Hence, his angular velocity ω increases. The reverse is also true.