Physics Dept. Demonstration Manual

DSM 02 - Mechanical Advantage, Simple Machines


To demonstrate mechanical advantage of:

  • Differential chain hoist pulley
  • Geared wheels
  • Jack screw
  • Capstan.
  • Various pulleys, fixed and moving
  • Gears
  • Chain hoist
  • Screw jack
  • Supporting frame
  • Hooked weights


Combinations of pulleys, gears, capstans can be used to illustrate mechanical advantage.

They are all assembled in such a way that the instructor can choose which concept to emphasize.