document.write( "Question 28910: Please help me solve this problem...\r
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document.write( "A man who can exert a force of 170 pounds on a pinch bar is just able to move a freight car weighing 60,000 pounds. If the pinch bar is 5 feet long and the short end is 1.25 inches from the fulcrum, what is the force exerted on the wheel of the car? \n" );
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Algebra.Com's Answer #21067 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A man who can exert a force of 170 pounds on a pinch bar is just able to move a freight car weighing 60,000 pounds. If the pinch bar is 5 feet long and the short end is 1.25 inches from the fulcrum, what is the force exerted on the wheel of the car? \n" ); document.write( "Set up a proportion: \n" ); document.write( " x/170= 58.75/1.25 \n" ); document.write( "x=[170*58.75]/1.25=7990 pounds \n" ); document.write( "Cheers, \n" ); document.write( "stan H. \n" ); document.write( " |