document.write( "Question 1197038: The distance (d) a spring will stretch varies directly as the force (F) applied to the spring. If a force of 12 lb is required to stretch a spring 3 in., what force (in lb) is required to stretch the spring a = 9 in.?\r
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Algebra.Com's Answer #830120 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Hi\r\n" );
document.write( " The distance (d) a spring will stretch \r\n" );
document.write( "varies directly as the force (F) applied to the spring. \r\n" );
document.write( "d varies directly as F\r\n" );
document.write( "That is:  d = kF\r\n" );
document.write( "d = 3in when F = 12 lb\r\n" );
document.write( "   3in= k (12lb),  \r\n" );
document.write( "find F when d = 9in \r\n" );
document.write( "      d = kF  0r  F = d/k\r\n" );
document.write( "                  F =  = 36 lb\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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