Chapter 7. Energy and power

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Background material on work, energy and power.
Physical work and work in physics. dW = F.ds = Fds cosθ. Pulleys and energy. The work energy theorem and the definition of kinetic energy. Kinetic energy and stopping distances. Storing energy: potential energy in a gravitational field or a spring. Conservative and non-conservative forces: examples. Conservation of mechanical energy. Power as the rate of doing work or the rate of converting energy. Units and examples. Using energy and power in mechanics problems. Includes

Multiplying vectors

Wheels and rolling
Car Physics

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Energy and power

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