1. 03-1 Physics I Class 03 Newton’s Laws of Motion

2. 03-2 Important Notice

3. 03-3 Newton’s Laws of Motion

4. 03-4 What is a Force?

5. 03-5 Forces Are Vectors - Adding Force Vectors

6. 03-6 Newton’s First Law

7. 03-7 Newton’s Second Law “F = ma”

8. 03-8 Using Newton’s Second Law to Solve Problems

9. 03-9 Free-Body Diagrams

10. 03-10 Example Problem in 1D An Elevator Going Down

11. 03-11 Newton’s Third Law: “Action and Reaction”

12. 03-12 Newton’s Third Law Pairs: How to Recognize Them

13. 03-13 Class #3 Take-Away Concepts

14. 03-14 Class #3 Problems of the Day

15. 03-15 Class #3 Problems of the Day

16. 03-16 Activity #3 Newton’s Laws in 1D

17. 03-17 Class #3 Optional Material Are Newton’s Laws True?

18. 03-18 Where Did Newton Go Wrong?

19. 03-19 If the Second Law isn’t true, why do we still use it?