Why do TOPS stay up?

Related questions

1. What uses a gyroscope?
2. What is the gyroscope effect?
3. Why is pmm1 impossible?
4. How do cruise ships stay balanced?
5. What is active gyroscopic couple?
6. How deep do cruise ships go?
7. What ethnicity are gyros?
8. How does a smartphone work?
9. Why is pmm2 impossible?
10. What causes a gyroscope to continue spinning?

Tags

1. #needs
2. #order
3. #nutshell
4. #angular
5. #upright
6. #momentum
7. #depending
8. #spinning
9. #sideways
10. #vertically
11. #because
12. #cheating
13. #falling
14. #direction
15. #violates
16. #either
17. #pointing
18. #which