How could you prepare a tape that might have an electric charge UNLIKE the charg

Question

How could you prepare a tape that might have an electric charge UNLIKE the charge of a U tape? Think of a plan, and outline it below, before going any farther in the book. (Don't cheat yourself by looking ahead the port w lo think for yourself!) Perhaps you reasoned along these lines We don't know how the U tape became charged, but if the tapes Marled out neutral, maybe the U tape pulled some charged particles off of the bottom tape (or vice versa). So now the bottom tape might have an equal amount of charge, of the opposite sign. There are a number of assumptions implicit in this line of reasoning, for example the idea that neutral matter it made up of both positively and negatively charged particles, and the motion that it might be possible to remove charged particles from a surface. We will discuss many of these ideas ,n greater detail later on. However, we note a particularly important one here: the charges cm the u tape were not "created" when we pulled the tapes apart; they already existed somewhere We will have mite to say about this later, but here is a simple statement: Charge cannot be created or destroyed: In an extremely wide variety of experiments, no one has ever observed electric charge to he created or destroyed. These results are summarized by the important principle called "conservation of charge": the net charge of the universe, or of any dosed system, cannot change. By a closed system we mean any region through whose boundaries charged particles neither enter nor leave. In this book, we will sometimes need to refer to results from other areas of science. Such statements will be marked by a double vertical bar on the left of a paragraph, to indicate clearly that we ate not fully justifying the results. A full justification would require describing a wide range of mutually supporting evidence coming from a large number of experiments and theoretical analyses. If you continue your .studies you may have the opportunity to study the full justification for the results that we describe.

Explanation / Answer

So far U tapes repel each other,the force act along a line between the tapes,the strentgh of the repulsion decreases as the tapes get farther away from each other and the strentgh of the interaction depends on the amount of charge on the tape.These observations are constient with the hypothesis that the U tapes are electrically charged ,and all the U tapes have like electric charge.

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