2. Physics 102 Introduction to Physics Dr. Rick Yaw

3. Announcements Clickers and WebAssign Website Exams –4 exams, drop lowest grade –No makeup exams

4. Class Schedule 1/17Chapter 1Introduction, About Science 1/22Chapter 2Newton’s First Law 1/24Chapter 3Linear Motion 1/29Chapter 4Newton’s Second Law 1/31Midterm Exam 1

5. Chapter 2 Newton’s First Law Newton’s First Law Inertia Net Force The Equilibrium Rule Support Force Equilibrium of Moving Things (Dynamic Equilibrium) Moving Earth

6. Un-Balanced Forces Balanced Un-Balanced (Neglecting Air Resistance)

7. Chapter 2 Newton’s First Law Newton’s First Law Inertia Net Force The Equilibrium Rule Support Force Equilibrium of Moving Things (Dynamic Equilibrium) Moving Earth

8. Inertia http://id.mind.net/~zona/mstm/physics/mechanics/forces/galileo/galileoInertia.html http://www.glenbrook.k12.il.us/gbssci/phys/mmedia/newtlaws/cci.html Physics Place http://wps.aw.com/aw_hewitt_cp_10/0,10865,2370807-,00.html

9. Chapter 2 Newton’s First Law Newton’s First Law Inertia Net Force The Equilibrium Rule Support Force Equilibrium of Moving Things (Dynamic Equilibrium) Moving Earth

10. Chapter 2 Newton’s First Law Newton’s First Law Inertia Net Force The Equilibrium Rule Support Force Equilibrium of Moving Things (Dynamic Equilibrium) Moving Earth

11. Question If the forces acting upon an object are balanced, then the object a) must not be moving. b) must be moving with a constant velocity. c) must not be accelerating. d) none of these

12. Chapter 2 Newton’s First Law Newton’s First Law Inertia Net Force The Equilibrium Rule Support Force Equilibrium of Moving Things (Dynamic Equilibrium) Moving Earth

13. Chapter 2 Newton’s First Law Newton’s First Law Inertia Net Force The Equilibrium Rule Support Force Equilibrium of Moving Things (Dynamic Equilibrium) Moving Earth

14. Chapter 2 Newton’s First Law Newton’s First Law Inertia Net Force The Equilibrium Rule Support Force Equilibrium of Moving Things (Dynamic Equilibrium) Moving Earth