What are the six simple machines?

Jan 1, 2016

See explanation...

Explanation:

The classical six simple machines are:
- lever
- wheel and axle
- wedge
- screw
- inclined plane
- pulley

Any more complex machine was composed of these simpler machines.

Some of these are very simple to make, but the most beautiful demonstration I have seen of how to make a simple machine (in this case essentially a lever) is this one: