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Results tagged with reference-frames
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user 348688
A reference frame is a particular coordinate system chosen to represent physical entities. The notion is most often used in special and general relativity to denote particular coordinates chosen on the spacetime manifold.
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Uniform rod tipping over the floor
That's an exercise from Thorton's Classical Dynamics textbook.
Basically, as stated, a uniform rod of lenght $b$ tips over to the floor, being initially stood vertically upright on the same floor. The …
