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Solution 5.4b - Revision history
2026-05-28T08:46:46Z
Revision history for this page on the wiki
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Ian: New page: <math>mg=20\times 9\textrm{.}8=196\ \text{N}</math> Resolving up the plane <math>\begin{align} & F-mg\sin {{30}^{\circ }}=0 \\ & F=196\times 0\textrm{.}5=98\ \text{N} \\ \end{align}<...
2010-04-04T12:34:36Z
<p>New page: <math>mg=20\times 9\textrm{.}8=196\ \text{N}</math> Resolving up the plane <math>\begin{align} & F-mg\sin {{30}^{\circ }}=0 \\ & F=196\times 0\textrm{.}5=98\ \text{N} \\ \end{align}<...</p>
<p><b>New page</b></p><div><math>mg=20\times 9\textrm{.}8=196\ \text{N}</math><br />
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Resolving up the plane<br />
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<br />
<math>\begin{align}<br />
& F-mg\sin {{30}^{\circ }}=0 \\ <br />
& F=196\times 0\textrm{.}5=98\ \text{N} \\ <br />
\end{align}</math><br />
<br />
<br />
Resolving in the normal direction<br />
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<br />
<math>\begin{align}<br />
& R-mg\cos {{30}^{\circ }}=0 \\ <br />
& R=196\times 0\textrm{.}866=170\ \text{N} \\ <br />
\end{align}</math></div>
Ian