<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Physical quantity - Page 2 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=Physical_quantity&amp;p=1">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Physical_quantity&amp;p=3">3.Next</a>
</p>
<p>value and kg is the unit symbol (for <a href="page.php?w=kilogram">kilogram</a>). <a href="page.php?w=Vector_quantity">Vector quantities</a> have, besides numerical value and unit, direction or orientation in space.</p>

<p><big> Principles  </big></p>
<p><big> Dimensions </big></p>
<p>The notion of dimension of a physical quantity was introduced by <a href="page.php?w=Joseph_Fourier">Joseph Fourier</a> in 1822. By convention, physical quantities are organized in a dimensional system built upon <a href="page.php?w=base_quantities">base quantities</a>, each of</p><p>
<a accesskey="1" href="page.php?w=Physical_quantity&amp;p=1">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Physical_quantity&amp;p=3">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
