Physics Success in 20 Minutes a Day

Practical Vocabulary is an essential guide that shows how to use the right words at the right time and defines more than 300 words in real world context: such as the news, science and technology, business and finance, and cyberspace.

Introduction How to Use This Book

ix

Pretest

1

(206)

Units and Prefixes

9

(8)

Introduces the International System of Units, the fundamental and derived units therein, the prefixes and their use, and scientific notation

Scalars and Vectors

17

(10)

Introduces scalar and vector quantities and vector components

Motion in One Dimension

27

(8)

Defines distance, displacement, speed velocity, and acceleration

Motion in Two Dimensions

35

(12)

Studies relative velocity and projectile motion

Newton's Mechanics: The Laws and the Forces

47

(14)

Introduces Newton's laws of motion for classical mechanics, different types of forces, and work with two or more forces in equilibrium situations

Linear Momentum

61

(10)

Defines linear momentum and impulse, discusses conservation of momentum and elastic and inelastic collisions

Mechanical Energy

71

(10)

Introduces work, kinetic, potential, and mechanical energy and the law of conservation of energy

Uniform Rotational Motion

81

(8)

Discusses motion on a circular trajectory and defines centripetal acceleration

Rotational Equilibrium

89

(10)

Defines torque and the conditions of equilibrium

Properties of Matter

99

(10)

Defines density, pressure, pressure in liquids, Archimedes's principle, and Pascal's principle

Temperature and Heat

109

(10)

Introduces temperature, heat, thermal expansion, and heat transfer

Thermodynamics

119

(10)

Discusses the concepts of heat, temperature, work, and internal energy and the zeroth, first, and second laws of thermodynamics, and simple thermodynamic processes

Electrostatics

129

(12)

Introduces the concepts of charge, electrical force, and charge conservation; Defines Coulomb's law and electrical field and potential

Electrical Current

141

(12)

Defines electrical current, electrical resistance and capacitance, Ohm's and Kirchoff's laws, series, and parallel circuits

Magnetism

153

(10)

Discusses magnetic materials, magnetic forces, motion of a charge in magnetic field, magnetic field created by an electrical current

Simple Harmonic Motion

163

(10)

Defines period, frequency, and angular speed, and discusses the simple pendulum

Waves

173

(8)

Studies general characteristics of waves, sound waves, and electromagnetic waves

Geometrical Optics

181

(8)

Explains the concept of light rays and the laws of reflection, and refraction, total internal reflection

Propagation of Light

189

(10)

Works on images in plane, curved mirrors, and thin convergent and divergent lenses

Diffraction and Interference

199

(8)

Studies the superposition principle, diffraction, Huygens's principle, constructive and destructive interference, diffraction gratings, and polarization

Posttest

207

(6)

Answer Key

213

(16)

Appendix A Glossary of Terms

229

(8)

Appendix B Conversion Factors and Constants

237

(2)

Appendix C Additional Resources

239

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Physics Success in 20 Minutes a Day

Summary

Table of Contents

Supplemental Materials