http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?action=history&feed=atom&title=Solution_14.1bSolution 14.1b - Revision history2026-05-28T01:59:18ZRevision history for this page on the wikiMediaWiki 1.11.1http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=Solution_14.1b&diff=1211&oldid=prevIan: New page: In this case <math>{{R}_{B}}=0</math>. Taking moments about A: <math>\begin{align} & 0\textrm{.}5\times 20\times 9\textrm{.}8=1\times m\times 9\textrm{.}8 \\ & m=\frac{0\textrm{.}5\ti...2010-09-01T18:29:32Z<p>New page: In this case <math>{{R}_{B}}=0</math>. Taking moments about A: <math>\begin{align} & 0\textrm{.}5\times 20\times 9\textrm{.}8=1\times m\times 9\textrm{.}8 \\ & m=\frac{0\textrm{.}5\ti...</p>
<p><b>New page</b></p><div><br />
<br />
In this case <br />
<math>{{R}_{B}}=0</math>. Taking moments about A:<br />
<br />
<math>\begin{align}<br />
& 0\textrm{.}5\times 20\times 9\textrm{.}8=1\times m\times 9\textrm{.}8 \\ <br />
& m=\frac{0\textrm{.}5\times 20\times 9\textrm{.}8}{1\times 9\textrm{.}8}=10\text{ kg} \\ <br />
\end{align}</math></div>Ian