1. Second Law of Rotation Newton’s First Law of Rotation Newton’s Second Law of Rotation Rotational Inertia / Moment of Inertia Rotational Inertia of extended objects Examples –Potter’s wheel –Pulley and rope –Pulley and bucket –Atwood’s machine

2. Newton’s First Law of Rotation

3. Newton’s Second Law of Rotation r F

4. Rotational 2 nd Law for many points r1r1 m1m1 m2m2 r2r2

5. Rotational Inertia

6. Rotational Inertia for Disk

7. Rotational Inertia for various objects Don’t memorize – If you need these we’ll provide them

8. Summary - Rotational Inertia for objects

9. Example – Potter’s wheel

10. Example – pulley and rope

11. Example – pulley and bucket

12. pulley and bucket (cont)

14. Review - Atwood’s Machine

15. Atwood’s Machine with Pulley

16. Atwood’s Machine with Pulley (2)

17. Atwood’s Machine with Pulley (3)

18. Atwood’s Machine with Pulley (4)