document.write( "Question 71219: A worker tearing down a barn, uses a pinch bar 4 ft. long with the shorter end 2in. from the fulcrum. If the worker can excert a force of 150 lbs. at one end of the pinch bar, how great a force can he excert at the other end? (Note the differences in units, 2 in. and 4 ft. Units must be the same when using the lever formula.)\r
\n" ); document.write( "\n" ); document.write( "w1 d1 = w2d2\r
\n" ); document.write( "\n" ); document.write( "I'm lost after this. Can you help?\r
\n" ); document.write( "\n" ); document.write( "Dorothy
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Algebra.Com's Answer #50936 by checkley75(3666)\"\" \"About 
You can put this solution on YOUR website!
48*150=2x
\n" ); document.write( "2x=7200
\n" ); document.write( "x=7200/2
\n" ); document.write( "x=3600 pounds of force
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