Ian: New page: $mg=20\times 9\textrm{.}8=196\ \text{N}$ Resolving up the plane $\begin{align} & F-mg\sin {{30}^{\circ }}=0 \\ & F=196\times 0\textrm{.}5=98\ \text{N} \\ \end{align}<...$

Ian — Sun, 04 Apr 2010 12:34:36 GMT

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}<...

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}</math>

Resolving in the normal direction

<math>\begin{align}
& R-mg\cos {{30}^{\circ }}=0 \\
& R=196\times 0\textrm{.}866=170\ \text{N} \\
\end{align}</math>

Solution 5.4b - Revision history

Ian: New page: mg=20\times 9\textrm{.}8=196\ \text{N} Resolving up the plane \begin{align} & F-mg\sin {{30}^{\circ }}=0 \\ & F=196\times 0\textrm{.}5=98\ \text{N} \\ \end{align}<...

Ian: New page: $mg=20\times 9\textrm{.}8=196\ \text{N}$ Resolving up the plane $\begin{align} & F-mg\sin {{30}^{\circ }}=0 \\ & F=196\times 0\textrm{.}5=98\ \text{N} \\ \end{align}<...$