http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?action=history&feed=atom&title=Solution_2.9bSolution 2.9b - Revision history2026-04-08T05:15:22ZRevision history for this page on the wikiMediaWiki 1.11.1http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=Solution_2.9b&diff=1571&oldid=prevIan at 16:14, 3 February 20112011-02-03T16:14:21Z<p></p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 16:14, 3 February 2011</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>At sea level <math>g=9\textrm{.}81\text{ ms}^{\text{-2}}</math>, and his weight is <math>mg</math> giving </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>At sea level <math>g=9\textrm{.}81\text{ ms}^{\text{-2}}</math>, and his weight is <math>mg</math> giving </div></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>9.81\times 80=785\text{N}</math></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>9<ins style="color: red; font-weight: bold; text-decoration: none;">\textrm{</ins>.<ins style="color: red; font-weight: bold; text-decoration: none;">}</ins>81\times 80=785\text{N}</math></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The difference is negligible and variations due to the fact that the earth is not perfectly round (spherical) create a larger error than the above approximate calculations.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The difference is negligible and variations due to the fact that the earth is not perfectly round (spherical) create a larger error than the above approximate calculations.</div></td></tr>
</table>Ianhttp://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=Solution_2.9b&diff=807&oldid=prevIan: New page: In part a) the weight of the man at the top of the mountain is found to be 785 N. At sea level <math>g=9\textrm{.}81\text{ ms}^{\text{-2}}</math>, and his weight is <math>mg</math> g...2010-03-12T17:38:28Z<p>New page: In part a) the weight of the man at the top of the mountain is found to be 785 N. At sea level <math>g=9\textrm{.}81\text{ ms}^{\text{-2}}</math>, and his weight is <math>mg</math> g...</p>
<p><b>New page</b></p><div>In part a) the weight of the man at the top of the mountain is found to be 785 N.<br />
<br />
At sea level <math>g=9\textrm{.}81\text{ ms}^{\text{-2}}</math>, and his weight is <math>mg</math> giving <br />
<math>9.81\times 80=785\text{N}</math><br />
<br />
The difference is negligible and variations due to the fact that the earth is not perfectly round (spherical) create a larger error than the above approximate calculations.</div>Ian