The Bicycle Puzzle

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When you’re standing on a bike with one pedal up and the other down, and you pull the lower pedal backwards, you would think the bike would move forward. But try it and you’ll see that the bike will actually move backward! It turns out that as the rider moves each pedal forward, the bike goes along with the pedal’s movement. So when the rider does the opposite, so does the bike. Read full article here

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