Lectures in Physics
has been derived from Benjamin Crowell's
Light and Matter
series of free introductory textbooks on physics. See the
editorial
for more information....
Index
Editorial
Copyright
Download and Release History
Preface
Newtonian Physics
Conservation Laws
Conservation of Energy
Simplifying the Energy Zoo
Work: The Transfer of Mechanical Energy
Conservation of Momentum
Conservation of Angular Momentum
Introduction
Conservation of Angular Momentum
Restriction to rotation in a plane
Angular Momentum in Planetary Motion
Two Theorems About Angular Momentum
Torque
Torque distinguished from force
Relationship between force and torque
The torque due to gravity
Equilibrium
Simple Machines: The Lever
Proof of Kepler’s Elliptical Orbit Law
Examples
A figure skater pulls her arms in
Changing the axis
Earth’and moon
Colliding asteroids
A system with its center of mass at rest
Angular momentum of a rigid object
Torque and the direction of the force
Gravitational torque on an arm
A flagpole
Art!
An application of calculus
Summary
Discussion Questions
Homework Problems
Thermodynamics
Exercises
Vibration and Waves
Electricity
Optics
Modern Physics
Appendix
Last Update: 2006-Mär-22