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From: bec@cbnewsm.att.com (andrew.j.becker)
Newsgroups: sci.electronics
Subject: AC motor
Keywords: motor
Message-ID: <1991Jun7.221608.26140@cbnewsm.att.com>
Date: 7 Jun 91 22:16:08 GMT
Article-I.D.: cbnewsm.1991Jun7.221608.26140
Distribution: nj
Organization: AT&T Bell Laboratories
Lines: 3

Could someone please post an explanation as to how an AC motor works?
Specifically, why do they rotate at ~1625 RPM typically, and what prevents
them from running backwards?  Thanks.