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Why motion said to be relative?

Updated: 9/20/2023
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12y ago

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That means that there it doesn't make sense to specify an "absolute motion" - motion is always specified relative to some object (sometimes movement relative to the Earth is implied, not stated). There is no physical experiment that can tell the "true speed" of an object, so scientists conclude that there is no such thing as a "true speed".

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Q: Why motion said to be relative?
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