Hello, I have a question about special relativity.(adsbygoogle = window.adsbygoogle || []).push({});

According to the Lorentz transformation, if a coordinate system K' is moving with respect to a coordinate system K, then a rod fixed with respect to K' will appear to be more lengthy with respect to K than that with respect to K'.

The equations are true .. Ok, but I don't understand the rationale behind that. Why does the motion change the measured length? If somebody can give me a real world meaning, I will be very thankful.

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# A question about the rationale of SR?

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