Solution 3.10b

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<math>\begin{align}
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& \uparrow \ R-12g=0 \\
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& R=12 \times 9 \textrm{.}8=117 \textrm{.}6 \text{ N} \\
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\end{align}</math>

Current revision

Image:3.10b.gif

\displaystyle \begin{align} & \uparrow \ R-12g=0 \\ & R=12 \times 9 \textrm{.}8=117 \textrm{.}6 \text{ N} \\ \end{align}