Ch 6 Work & Energy

Learning Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Learning Objectives ,[object Object],[object Object],[object Object],[object Object]

Learning Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Table of Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Chapter 6 Work & Energy Section 1: Work Done by a Constant Force

Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Units of Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Force and direction of motion both matter in defining work! ,[object Object],[object Object],[object Object],[object Object],[object Object]

Question ,[object Object],W = 0 J

Question ,[object Object],W = +980 J

Chapter 6 Work & Energy Section 2: Work-Energy Theorem & Kinetic Energy

Work and Energy ,[object Object],[object Object],[object Object],[object Object]

Question ,[object Object],[object Object],[object Object]

Kinetic Energy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Question ,[object Object],[object Object],[object Object],[object Object]

The Work-Energy Theorem ,[object Object],[object Object],[object Object],[object Object]

Chapter 6 Work & Energy Section 3: Gravitational Potential Energy

Potential energy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Chapter 6 Work & Energy Section 4 Conservative vs non-conservative forces

Force types ,[object Object],[object Object],[object Object],[object Object]

Conservative forces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Conservative forces and Potential energy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

More on paths and conservative forces. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Figure from “Physics”, James S. Walker, Prentice-Hall 2002

Question Figure from “Physics”, James S. Walker, Prentice-Hall 2002 ,[object Object],[object Object],[object Object]

Question ,[object Object],[object Object]

Chapter 6 Work & Energy Section 5: The Conservation of Mechanical Energy

Law of Conservation of Energy ,[object Object],[object Object],[object Object]

Law of Conservation of Mechanical Energy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Question Problem copyright “Physics”, James S. Walker, Prentice-Hall 2002 ,[object Object]

Chapter 6 Work & Energy Section 6: Nonconservative Forces and the Work–Energy Theorem

Non-conservative forces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Work done by non-conservative forces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Chapter 6 Work & Energy Section 7 Power

Power ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Unit of Power ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How We Buy Energy… ,[object Object],[object Object],[object Object],[object Object],[object Object]

Chapter 6 Work & Energy Section 8: Other Forms of Energy and the Law of Conservation of Energy

Law of Conservation of Energy ,[object Object],[object Object],[object Object],[object Object]

Chapter 6 Work & Energy Section 9: Work done by variable forces

Constant force and work ,[object Object],[object Object],[object Object],F(x) x x a x b

Variable force and work ,[object Object],[object Object],[object Object],F(x) x x a x b

Problem Figure from “Physics”, James S. Walker, Prentice-Hall 2002 ,[object Object]

Sample Problem Figure from “Physics”, James S. Walker, Prentice-Hall 2002 ,[object Object]

Ch 6 Work & Energy

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Ch 6 Work & Energy