If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly lowers his…
Physics · JEE Main · NTA Exams — Rotational Motion
If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly lowers his arms :
- the angular velocity increases
- his moment of inertia increases
- the angular velocity remains same
- the angular momentum increases
Answer
(A) the angular velocity increases
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