document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=872623>Question 872623</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given: W1•x = W2(L - x), where W1 and W2 are weights on either side<BR>\n" );
document.write( "    of a balance bar, x is the distance from W1 to the<BR>\n" );
document.write( "    folcrum point, and \"L\" is the length of the balance bar.<BR>\n" );
document.write( "    What weight must be applied to the right end of an 8 foot long<BR>\n" );
document.write( "    balance bar (of negligible weight) to balance a 70 pound child on<BR>\n" );
document.write( "    the left end who is located 1 foot away from the fulcrum point?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #526319 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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/cgi-bin/show-face.mpl?user=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=526319\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> That's a very strange see-saw, and will not be much fun for that child, but I guess the numbers were chosen to make the arithmetic easier, and I like that.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C400%2C-4.2%2C1.8%2C-1.5%2C6.5%2C%0D%0Aline%28-4.5%2C-0.866%2C2%2C-0.866%29%2C%0D%0Ared%28line%28-3.5%2C6.062%2C0.5%2C-0.866%29%29%2C%0D%0Ared%28circle%280%2C0%2C0.1%29%29%2C%0D%0Ared%28line%280%2C-0.866%2C0%2C0%29%29%2C%0D%0Alocate%28-1.75%2C3.3%2Cred%28L-x=8-1=7%29%29%2C%0D%0Alocate%280.25%2C-0.16%2Cred%28x=1%29%29%2C%0D%0Agreen%28arrow%280.5%2C-0.866%2C0.5%2C-1.466%29%29%2Clocate%280.55%2C-1.07%2Cgreen%28W1=70%29%29%2C%0D%0Agreen%28arrow%28-3.5%2C6.062%2C-3.5%2C5.462%29%29%2Clocate%28-3.85%2C6%2Cgreen%28W2%29%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70%2A1=W2%2A7 ALIGN=MIDDLE  ALT=\"70%2A1=W2%2A7\"   DISABLED_style= \"max-width:90%; height:auto;\" >--><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70=7W2 ALIGN=MIDDLE  ALT=\"70=7W2\"   DISABLED_style= \"max-width:90%; height:auto;\" >--><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70%2F7=W2 ALIGN=MIDDLE  ALT=\"70%2F7=W2\"   DISABLED_style= \"max-width:90%; height:auto;\" >--><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28W2=10%29 ALIGN=MIDDLE  ALT=\"highlight%28W2=10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So there you have it. A 10 pound weight at the end of the long arm of that see-saw, will allow that 70 pound child to bounce up and down by about 1 foot. Weee!<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C400%2C-4.2%2C1.8%2C-1.5%2C6.5%2C%0D%0Aline%28-4.5%2C-0.866%2C2%2C-0.866%29%2C%0D%0Ared%28line%28-3.5%2C6.062%2C0.5%2C-0.866%29%29%2C%0D%0Ared%28circle%280%2C0%2C0.1%29%29%2C%0D%0Ared%28line%280%2C-0.866%2C0%2C0%29%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28500%2C150%2C-8%2C2%2C-1.5%2C1.5%2C%0D%0Aline%28-8.5%2C-0.866%2C2.2%2C-0.866%29%2C%0D%0Ared%28line%28-6.945%2C-0.866%2C0.992%2C0.124%29%29%2C%0D%0Ared%28circle%280%2C0%2C0.1%29%29%2C%0D%0Ared%28line%280%2C-0.866%2C0%2C0%29%29%2C%0D%0Ablue%28arc%280.992%2C0.398%2C0.2%2C0.55%2C0%2C360%29%29%2C%0D%0Ablue%28arc%280.992%2C0.798%2C0.2%2C0.2%2C0%2C360%29%29%2C%0D%0Ablue%28line%280.992%2C0.124%2C0.592%2C-0.176%29%29%2C%0D%0Ablue%28line%280.592%2C-0.676%2C0.592%2C-0.176%29%29%2C%0D%0Ablue%28line%280.592%2C-0.676%2C0.392%2C-0.676%29%29%2C%0D%0Alocate%281.1%2C1.2%2Cblue%28WEEE%21%29%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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