SOLUTION SOLUTION ECE 455/555: Mechanics of Engineering Systems Fall 2010 HOMEWORK #1 1. A uniform beam of mass M and length r has weights W1and W2at two positions, as illustrated below. Find the position x such that the normal force at O will be 21W. Sum Forces in y DirectionpobNNWWW+=++21W2Noy W1NpxWbW1W2O P r xr/2 dr/4
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