Materials List:
Machines and Tools, Part II
https://www.teachengineering.org/activities/view/cub_simp_machines_lesson03_activity1
Each group needs:
- Approximately 20 feet of nylon rope
- Two-wheeled pulley
- Single pulley
- Spring scale
- String
- Weight (can use soup cans, rocks, weights, etc.)
- 3 copies of the Pulley Worksheet
https://www.teachengineering.org/activities/view/cub_simp_machines_lesson03_activity1