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 <question type="category"><category><text>4t ESO/4.04 EQUACIONS/4.04.1 Equació 1r grau/4.04.1.7 Aplicacions EG1</text></category></question>
 
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      <text>4.04.1.7.40 p = F/s</text>
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<td style="background-color: #000066; background-image: none; color: #ffcc00; text-align: center; vertical-align: top; border-style: none;" valign="top" width="NaNpx"><span style="font-size: large; color: #ffff99;" data-mce-mark="1"><span style="font-size: large; color: #ffff99;" data-mce-mark="1">Força i pressió</span></span></td>
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<p><span style="color: #000080; font-size: small;"><strong>Si s'exerceix una força F sobre una superfície s,</strong></span></p>
<p><span style="color: #000080; font-size: small;"><strong>la pressió es calcula amb:</strong></span></p>
<p><span style="color: #000080; font-size: small;"><strong>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mi mathvariant=¨bold¨ mathcolor=¨#00007F¨»p«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»=«/mo»«mfrac mathcolor=¨#00007F¨»«mi mathvariant=¨bold¨»F«/mi»«mi mathvariant=¨bold¨»s«/mi»«/mfrac»«/mrow»«/mstyle»«/math»</strong></span></p>
<p><span style="color: #000080; font-size: small;"><strong>La pressió es mesura en pascals (Pa) = 1N/1 m<sup>2</sup> </strong></span></p>
<p><span style="color: #000080; font-size: small;"><strong>( i també en bars, en mm de mercuri i altres)</strong></span></p>
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