Balanced forces on a see-saw
Inventors (Intermediate), mission I1 Forces & Motion, lesson 2 of 6.
Hook
Can a small weight ever beat a big weight? Detective question of the day!
Fair test
Find 3 different ways to balance 2 coins against 1 coin. Record distances from the pivot.
Bonus challenge
Spot the rule: weight × distance on the left = weight × distance on the right?
The build
- ⚖️ Balance See-Saw: A see-saw that is also a scale. Can one gear beat two? (level 1 of 5, about 12 minutes, 10 steps)