The Mighty Lever and the Powerful Pulley copertina

The Mighty Lever and the Powerful Pulley

The Mighty Lever and the Powerful Pulley

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A single human can lift a grand piano — if they have the right simple machine. Levers, pulleys, and ramps trade distance for force, letting people move loads far heavier than their own muscles could handle alone. The episode traces how these machines work, why they don't create energy out of nothing, and where kids can spot them hiding in everyday objects from seesaws to flagpoles.
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