document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=401127>Question 401127</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, please help me with this problem:\r<BR>\n" );
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document.write( "Workers are trying to hold a 2600 lb monument stone stationary on a wooden ramp inclined at 20 degrees. The ramp has been coated in yak fat so it is a frictionless surface. \r<BR>\n" );
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document.write( "With what force must the workers pull to keep the stone stationary? Round the nearest pound.\r<BR>\n" );
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document.write( "Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #283948 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=283948\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Treat the 2600 lb stone as a vector with horizontal and vertical components (assigning a coordinate system with x parallel to the ramp). The normal force is equal to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2600%2Acos%2820%29 ALIGN=MIDDLE  ALT=\"2600%2Acos%2820%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and the force that causes acceleration on the ramp is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2600%2Asin%2820%29 ALIGN=MIDDLE  ALT=\"2600%2Asin%2820%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, roughly 889 pounds. </SPAN>\n" );
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