Objective:
To demonstrate mechanical advantage of:
- Differential chain hoist pulley
- Geared wheels
- Jack screw
- Capstan.
Apparatus:
- Various pulleys, fixed and moving
- Gears
- Chain hoist
- Screw jack
- Supporting frame
- Hooked weights
Method:
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.