Henry Ernest Dudeney/Modern Puzzles/211 - Another Wheel Paradox
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Modern Puzzles by Henry Ernest Dudeney: $211$
- Another Wheel Paradox
- When a railway train is in motion, it is always the case that some parts of the train are travelling backwards.
- Explain why.
Dudeney couches this paradox in a tediously long-winded conversation between a pair of cyclists leaning on a bridge.
Click here for solution
Sources
- 1926: Henry Ernest Dudeney: Modern Puzzles ... (previous) ... (next): Wheel Paradox Problems: $211$. -- Another Wheel Paradox
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Geometrical Problems: Circle Puzzles: $295$. Another Wheel Paradox