simple machine FACTS. 

a. Lever / Tuas 
- Fulcrum / Titik Tumpu 
- Load / Titik Kuasa
- Effort / Titik Beban

1. Types of lever 
- Load - Fulcrum - Effort
- Fulcrum - Effort - Load
- Fulcrum - Load - Effort

2. Formula: ω x Ιω = Ιf x f 
Mechanical Advantage: ω : f 


b. Pulley / Katrol
- Gum Tackle 
- Luff or Watch Tackle 
- Double Tackle 
- Gyn Tackle 
- Three Field Purchase