a distance L/2 from the man in front, so that computing torques about the front end leads toWLFxWx2223==FHGIKJwhich yields x= 3L/4 for the distance from the crosspiece to the front end. It is therefore a distance L/4 from the rear end (the “free” end). 83. Where the crosspiece comes into contact with the beam, there is an upward force of
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.