What are the two gyroscopic principles?

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Tags

1. #remain
2. #rigidity
3. #tends
4. #basic
5. #properties
6. #applied
7. #gyroscopes
8. #direction
9. #defined
10. #those
11. #force
12. #space
13. #precession
14. #rotation
15. #wheel
16. #follows
17. #fixed