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Physics 102 Introduction to Physics. Dr. Rick Yaw. Announcements. Clickers and WebAssign Website Exams 4 exams, drop lowest grade No makeup exams. Class Schedule. Chapter 2 Newton’s First Law. Newton’s First Law Inertia Net Force The Equilibrium Rule Support Force
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Physics 102Introduction to Physics Dr. Rick Yaw
Announcements • Clickers and WebAssign • Website • Exams • 4 exams, drop lowest grade • No makeup exams
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
Un-Balanced Forces (Neglecting Air Resistance) Un-Balanced Balanced
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
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
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
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
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
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
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
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