Book excerpt: Don't be perplexed by physics. Master this science with practice, practice, practice! Practice Makes Perfect: Physics is a comprehensive guide and workbook that covers all the basics of physics that you need to understand this subject. Each chapter focuses on one major topic, with thorough explanations and many illustrative examples, so you can learn at your own pace and really absorb the information. You get to apply your knowledge and practice what you've learned through a variety of exercises, with an answer key for instant feedback. Offering a winning formula for getting a handle on science right away, Practice Makes Perfect: Physics is your ultimate resource for building a solid understanding of physics fundamentals.