document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1119344>Question 1119344</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The force due to gravity on a man is proportional to his mass and inversely proportional to the square of his distance from the centre of the Earth. If a man weighs 90kg and the radius of the Earth is 6.4 x 10^6 metres, the force acting on him is 8 x 10^-4 Newton. Find the force acting on a man weighing 80kg when he is in a satellite 1 million metres above the surface of the Earth </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #734871 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52803)</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=734871\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "The force due to gravity on a man is proportional to his mass and inversely proportional to the square of his distance <BR>\n" );
document.write( "from the centre of the Earth. If a man weighs 90kg and the radius of the Earth is 6.4 x 10^6 metres, the force acting on him <BR>\n" );
document.write( "is 8 x 10^-4 Newton. Find the force acting on a man weighing 80kg when he is in a satellite 1 million metres above the surface of the Earth<BR>\n" );
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document.write( "The weight of the mass of &nbsp;90 kg &nbsp;at the Earth surface &nbsp;<U>IS &nbsp;NOT</U>  &nbsp;8 x 10^(-4) Newton.\r<BR>\n" );
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document.write( "At the Earth surface, &nbsp;the mass of &nbsp;90 kg &nbsp;weights about &nbsp;9*10^2 newtons  \r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(Weight = mass * 9.81 m/s^2,  &nbsp;&nbsp;or, &nbsp;approximately, &nbsp;&nbsp;90*10 = 9*10^2 newtons).\r<BR>\n" );
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document.write( "Your input is &nbsp;<U>FATALLY &nbsp;INCORRECT</U> &nbsp;and shows that your knowledge of Physics is about zero.\r<BR>\n" );
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document.write( "I really don't know what to discuss with the person who does not know basics (and posts incorrect assignments).\r<BR>\n" );
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document.write( "I only can advise him to take a Physics textbook and to read the chapter \"Forces\".\r<BR>\n" );
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