document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=397774>Question 397774</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dear sir, i got stuck on this, can you pls  help me\r<BR>\n" );
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document.write( "\"Force F = 2i – 5j + 3k displaces a particle from A to B. Position vectors of A and B are, A = i + 2j + 3k and B = 3i + 5j + 8k. Find the work done by the force on the object.<BR>\n" );
document.write( "a)6 units<BR>\n" );
document.write( "b)4 units<BR>\n" );
document.write( "c)10 units<BR>\n" );
document.write( "d)12 units\" </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #281815 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=281815\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The displacement vector is A +B = i + 2j + 3k  + 3i + 5j + 8k = 4i + 7j + 11k.<BR>\n" );
document.write( "The work is the dot product of the force vector and the displacement vector:\r<BR>\n" );
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document.write( "F*(A + B) = ( 2i – 5j + 3k)*(4i + 7j + 11k) = 8 - 35 + 33 = 6 units.\r<BR>\n" );
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document.write( "The answer is a. </SPAN>\n" );
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