Dynamics w/Friction WS – Check Your Answers Posted on November 22, 2010 by admin — No Comments ↓ 1. 1 2. 2 3. 2 4. 1 5. 3 6. 1 7. 2 8. 4 9. 1 10. 2 11. 2 12. 3 13. 1 14. 4 15. 4 16. 3 17. 3 18. 50N 19. .49 m/s^2 20. 10s