Math and physics go hand in hand, right? You might be surprised, then,to learn that you aren’t allowed to use a calculator on SAT II Physics.The math required of you never goes beyond simple arithmetic andmanipulation of equations. You have, on average, 48 seconds to answereach question, and the people at ETS realize that isn’t enough time todelve into problems involving simultaneous equations or complextrigonometry. They’re more interested in testing your grasp of thebasic concepts of physics. If you’ve grasped these concepts, yourweakness in math isn’t going to hurt you.

　　ETS breaks down the concepts you need to know for the test into six categories:

　　While these categories are helpful, they arealso very broad. You may be a whiz with waves but a loser with lenses,and want to know how much of the waves portion of the test will bedevoted to optics. To help you out, we’ve broken the test down evenfurther so that you’ll know exactly where to expect to feel thesqueeze. (These figures are only approximations, and may vary from testto test.)

　　The chapters of this book are organizedaccording to these categories. If a physics topic is not in this book,you don't need to know it. Here's some other helpful information:

　　You need to know: the formulas expressing physical relationships (such as F = ma), how to manipulate equations, how to read a graph

　　You don't need to know: trig identities, calculus, three-dimensional vectors and graphs, physical constants (such as G = 6.67#FormatImgID_0#10–11 N·m2 ⁄ kg2

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