Three metal bars, labelled 1, 2, and 3, are marked A and B on either end as show

Question

Three metal bars, labelled 1, 2, and 3, are marked A and B on either end as shown. A student makes the following observations: end 1B repels end 3A end 1A attracts end 2B end 2B attracts end 3B Consider the following classes of objects: Class 1: Magnets Class II: objects attracted to magnets but not repelled. Class III. Objects that are neither attracted or repelled to class I or II objects. a. To which of the classes listed above, could bar 1 belong? Explain your reasoning and the characteristics that define each of your classes. b. To which of the classes listed above could bar 2 belong? Explain your reasoning. c. Would end 2A attract, repel, or neither attract nor repel end 3A if the two ends were brought near one another? If it is not possible to tell for certain, what are the possibilities? Explain.

Explanation / Answer

Answers for (a) and (b) are : Belongs to Class I : Magents

Because they are attracting one side and repelling other sides. If they are magnet only, they can either repell or attract

Answer (c)

2 A attracts 3A, because 2B attracts 3B

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