How Levers & Pulleys Work
The fulcrum-and-arm math behind a lever, and the rope-and-wheel math behind a pulley — plus the everyday tools, from a wheelbarrow to a ship's capstan, built from them.
The fulcrum-and-arm math behind a lever, and the rope-and-wheel math behind a pulley — plus the everyday tools, from a wheelbarrow to a ship's capstan, built from them.
