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This question already has an answer here:

If an aircraft propeller with engine running felt a force of 100g at the tips of the blades,but only 1g at the hub,& the engine ran for an average of 6 hours per day for 10 years,how much younger would the blade tips be compared to the hub?

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marked as duplicate by Bill N, John Rennie general-relativity May 14 at 14:36

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