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How does rotational inertia play a role when a quarterback throws a ball so that it...

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Physics

How does rotational inertia play a role when a quarterbackthrows a ball so that it spirals in flight? What about a figureskater spinning about her axis of symmetry with her armsoutstretched and then pulling them in tight to her body?

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3.9 Ratings (707 Votes)
Law of inertia is the Newtons first law of motion which states that the object in motion or in rest will remain in its state unless and until it is acted by an external force The rotational inertia of an object depends on the mass and the distribution of mass of an object We can say in general that rotational inertia is less if the object is more compact less distributed It is a property of any object which can be rotated which tells us how difficult it is to change the rotational velocity of an object about a rotational axis In short moment    See Answer
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