http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?action=history&feed=atom&title=Solution_14.3
Solution 14.3 - Revision history
2026-04-08T05:15:39Z
Revision history for this page on the wiki
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http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=Solution_14.3&diff=1597&oldid=prev
Ian at 17:03, 10 March 2011
2011-03-10T17:03:17Z
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<td colspan='2' style="background-color: white; color:black;">Revision as of 17:03, 10 March 2011</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div><math>\begin{align}</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div><math>\begin{align}</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>& {{R}_{A}}+114\textrm{.}3=49+196 \\ </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>& {{R}_{A}}+114\textrm{.}3=49+196 \\ </div></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>& {{R}_{A}}=49+196-114\textrm{.}3=130.7\text{ N} \\ </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>& {{R}_{A}}=49+196-114\textrm{.}3=130<ins style="color: red; font-weight: bold; text-decoration: none;">\textrm{</ins>.<ins style="color: red; font-weight: bold; text-decoration: none;">}</ins>7\text{ N} \\ </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>\end{align}</math></div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>\end{align}</math></div></td></tr>
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Ian
http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=Solution_14.3&diff=1226&oldid=prev
Ian at 14:03, 2 September 2010
2010-09-02T14:03:40Z
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<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>[[Image:14.<del style="color: red; font-weight: bold; text-decoration: none;">3</del>.gif]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>[[Image:14.<ins style="color: red; font-weight: bold; text-decoration: none;">3a</ins>.gif]]</div></td></tr>
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Ian
http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=Solution_14.3&diff=1218&oldid=prev
Ian: New page: The diagram shows the forces acting. Image:14.3.gif Taking moments about the left hand support: <math>\begin{align} & {{R}_{B}}\times 3=49\times 1+196\times 1\textrm{.}5 \\ & ...
2010-09-02T12:21:25Z
<p>New page: The diagram shows the forces acting. <a href="/wikis/2009/bridgecoursemechanics/index.php/Image:14.3.gif" title="Image:14.3.gif">Image:14.3.gif</a> Taking moments about the left hand support: <math>\begin{align} & {{R}_{B}}\times 3=49\times 1+196\times 1\textrm{.}5 \\ & ...</p>
<p><b>New page</b></p><div>The diagram shows the forces acting.<br />
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[[Image:14.3.gif]]<br />
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Taking moments about the left hand support:<br />
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<br />
<math>\begin{align}<br />
& {{R}_{B}}\times 3=49\times 1+196\times 1\textrm{.}5 \\ <br />
& {{R}_{B}}=\frac{49\times 1+196\times 1\textrm{.}5}{3}=114\textrm{.}3\text{ N} \\ <br />
\end{align}</math><br />
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Taking moments about the right hand support:<br />
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<math>\begin{align}<br />
& {{R}_{A}}\times 3=49\times 2+196\times 1\textrm{.}5 \\ <br />
& {{R}_{B}}=\frac{49\times 2+196\times 1\textrm{.}5}{3}=130\textrm{.}7\text{ N} \\ <br />
\end{align}</math><br />
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Or:<br />
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<math>\begin{align}<br />
& {{R}_{A}}+114\textrm{.}3=49+196 \\ <br />
& {{R}_{A}}=49+196-114\textrm{.}3=130.7\text{ N} \\ <br />
\end{align}</math></div>
Ian