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Explain how is a cat able to land on its...

Explain how is a cat able to land on its feet after a fall taking advantage of the principle of conservation of angular momentum ?

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While falling, a cat stretches its body alongwith the tail so that its moment of inertia `(I)` increases. As no external torque is acting, `L = I omega =` constant. As I increases, `omega` decreases and it lands gently on its feet.
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