B3 Simple Machines

Here are introduced the classical simple machines.

Articles
Image	Title
	B3-01: LEVER AND LOADED WAGON Demonstrate the mechanical advantage of a lever
	B3-02: LEVERS - THREE CLASSES Demonstrate the three classes of levers
	B3-03: LEVER - WRECKING BAR Demonstrate the mechanical advantage of a lever
	B3-12 PULLEY - MECHANICAL ADVANTAGE Illustrate pulley systems
	B3-14: EQUILIBRIUM PARADOX - SCALES AND PULLEY Counterintuitive demonstration involving pulley system
	B3-15: FOOL'S TACKLE Illustrate analysis of forces in a pulley system
	B3-21: CHISEL AS WEDGE Demonstrate the mechanical advantage of a wedge
	B3-23: Worm Gear Illustrate mechanical advantage