document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1042765>Question 1042765</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the work done by the force F in moving an object from P to Q.\r<BR>\n" );
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document.write( "F=-4i + 20j P(0,10) Q(5,25) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #657798 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=657798\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Force Vector<BR>\n" );
document.write( "F = -4i + 20j<BR>\n" );
document.write( "F = < -4, 20 >\r<BR>\n" );
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document.write( "Displacement Vector<BR>\n" );
document.write( "D = < Qx - Px, Qy - Py ><BR>\n" );
document.write( "D = < 25-10, 5-0 ><BR>\n" );
document.write( "D = < 15, 5 >\r<BR>\n" );
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document.write( "Work Done<BR>\n" );
document.write( "W = F dot D<BR>\n" );
document.write( "W = < -4,20 > dot < 15,5 ><BR>\n" );
document.write( "W = -4*15 + 20*5<BR>\n" );
document.write( "W = -60 + 100<BR>\n" );
document.write( "W = 40\r<BR>\n" );
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document.write( "Note: if the force is in newtons and the displacement is in meters, then the work done is in joules.<BR>\n" );
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