Work and energy

OpenStax

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Introduction to work and energy

Work: the scientific definition

1 What it means to do work

2 Calculating work

3 Section summary

4 Conceptual questions

5 Problems & Exercises

Kinetic energy and the work-energy theorem

Gravitational potential energy

Conservative forces and potential energy

Conservation of energy

1 What is power?

2 Calculating power from energy

3 Examples of power

4 Power and energy consumption

5 Section summary

6 Conceptual questions

7 Problems & Exercises

Nonconservative forces

1 Nonconservative forces and friction

2 How nonconservative forces affect mechanical energy

3 How the work-energy theorem applies

4 Section summary

Source: OpenStax, Concepts of physics. OpenStax CNX. Aug 25, 2015 Download for free at https://legacy.cnx.org/content/col11738/1.5

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