document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1176752>Question 1176752</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Using k as the constant of variation, write the equation of variation for each following.\r<BR>\n" );
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document.write( "1. The current l varies directly as the electromotive force E and inversely as as the resistance R.<BR>\n" );
document.write( "2. The acceleration a of an object varies directly as the force f exerted and inversely as it's mass m.<BR>\n" );
document.write( "3. The stiffness s of a beam varies directly as it's depth d and inversely as the square of the length l.<BR>\n" );
document.write( "4. The time t required for an elevator to lift a weight varies directly with the distance d through which it is to be lifted and inversely with the power p of the motor.<BR>\n" );
document.write( "5. The force f of attraction between two bodies varies directly as the product of their weights w and inversely as the square of the distance d between them.<BR>\n" );
document.write( "6. The electrical resistance R of wire varies directly as it's length l and inversely as the square of its diameter d.<BR>\n" );
document.write( "7. The acceleration A of a moving objects varies directly as the distance d inversely as the square of the time t. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #853760 by </B><A HREF=/tutors/aboutme.mpl?userid=n2><B>n2(49)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=n2><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=853760\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "Formulation #5 is incorrect.\r<BR>\n" );
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document.write( "To understand why it's incorrect, imagine two objects (two masses) in outer space.\r<BR>\n" );
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document.write( "There is no weight because there is weightlessness (the weight is zero),<BR>\n" );
document.write( "but there is a force of attraction.\r<BR>\n" );
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document.write( "The error in the formulation is that instead of the concept of weight, the concept of mass should be used.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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