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Results tagged with newtonian-mechanics
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user 213984
Newtonian mechanics discusses the movement of classical bodies under the influence of forces by applying Newton’s three laws. For more general concepts, use [classical-mechanics]. For Newton’s description of gravity, use [newtonian-gravity].
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How come ballerina rotate so fast when there is no external force?
We assume no friction once the object is rotating.
When you rotate with stretched arms (kicked off by the ground, say), you have a rotational momentum. Without friction, that value stays constant, eve …
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