document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1117534>Question 1117534</A>: <I><SPAN STYLE=\"word-break: break-all;\"> may you please help me, i need assistance in mechanics on the topic of forces in equilibrium and friction. the question reads:A small block of weight W newtons is placed on a plane inclined at an angle theta to the horizontal. The coefficient of friction between the block and plane is mu.<BR>\n" );
document.write( "a) If mu=1/5 and tan (theta)=3/4 find, in terms of W, the magnitude of the horizontal force needed to prevent the bock from slipping down the plane.<BR>\n" );
document.write( "b) If mu=2/5 and theta=60 degrees find, in terms of W, the magnitude of the horizontal force that will be on the point of making the block slide up the plane. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #732653 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52790)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=732653\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Hello,\r<BR>\n" );
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document.write( "I know this elementary Physics/Mechanics as good as I know the School Math,  and I would be ready answer your question . . . BUT.\r\n" );
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document.write( "But your question is formulated in a strange way.\r\n" );
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document.write( "The TRADITIONAL question would be about the magnitude of the force directed <U>along the incline</U> \r\n" );
document.write( "needed to prevent the block from slipping down the plane.\r\n" );
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document.write( "Can you confirm, &nbsp;looking into your source, &nbsp;that the problem really asks about HORIZONTAL force in both cases ?\r<BR>\n" );
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document.write( "You may look into the lesson\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Vectors/Using-vectors-to-solve-problems-in-Mechanics%3A-Force.lesson>Using vectors to solve problems in Mechanics: Force</A>, &nbsp;&nbsp;Problems &nbsp;3, &nbsp;4 &nbsp;and &nbsp;5\r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "Closely related problems were solved there in TRADITIONAL formulation, &nbsp;so you can use them as samples and as approach to your problem.\r<BR>\n" );
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document.write( "But if in your problem the force under the question really is horizontal, &nbsp;then the solution requires one more step.\r<BR>\n" );
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document.write( "If and then you confirm my request, &nbsp;I will help you to solve your problem.\r<BR>\n" );
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