12 Days of Geek | Day 4 | That simply is not a simple machine

Q. Which of these is not one of the six classic simple machines?


A simple machine is a mechanical device that changes the direction or magnitude of a force. They act as the simplest ways to use mechanical advantage to multiply force. There are six classic simple machines:

  1. Lever
  2. Wheel and axle
  3. Pulley
  4. Inclined plane
  5. Wedge
  6. Screw

A spring, however, is not one of them.

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