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Physics 102 Introduction to Physics

In this introductory course on physics, we delve into Newton's First Law, which defines the concept of inertia—the tendency of objects to maintain their state of motion unless acted upon by an external force. We explore key principles such as net force, the equilibrium rule, and the characteristics of dynamic equilibrium. Concepts are illustrated through practical examples and problem-solving exercises, aiding students in understanding how moving objects behave under balanced and unbalanced forces. Prepare for interactive assessments using clickers and WebAssign.

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Physics 102 Introduction to Physics

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  1. Physics 102Introduction to Physics Dr. Rick Yaw

  2. Announcements • Clickers and WebAssign • Website • Exams • 4 exams, drop lowest grade • No makeup exams

  3. Class Schedule

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

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

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

  7. 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

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

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

  10. 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

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

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

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