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
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document.write( "w1 d1 = w2d2\r
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document.write( "I'm lost after this. Can you help?\r
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document.write( "Dorothy \n" );
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Algebra.Com's Answer #50938 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 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? \r \n" ); document.write( "\n" ); document.write( "w1 d1 = w2d2 \n" ); document.write( "-------------------- \n" ); document.write( "w1*2 = 150*48 \n" ); document.write( "w1 = 3600 lbs. of force \n" ); document.write( "--------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |