Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site Glacier.ARPA Path: utzoo!watmath!clyde!bonnie!akgua!whuxlm!harpo!decvax!decwrl!Glacier!wong From: wong@Glacier.ARPA (Man Wong) Newsgroups: net.physics Subject: Newton's Second Law Message-ID: <9255@Glacier.ARPA> Date: Tue, 2-Jul-85 16:00:34 EDT Article-I.D.: Glacier.9255 Posted: Tue Jul 2 16:00:34 1985 Date-Received: Fri, 5-Jul-85 04:20:49 EDT Distribution: net Organization: Stanford University, IC Laboratory Lines: 11 What is mass? Mass is force divided by acceleration. What is force? Force is mass multiplied by acceleration. Something is definitely not right here. So exactly what are force and mass? What is the content of Newton's Second Law? Is it a definition? Can definitions be called physical laws? Please help!