Solution 3.5b

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(New page: From the diagram <math>\begin{align} & \uparrow N1-1.2g=0\ \text{gives} \\ & N1=1.2\times 9.8=11.76\ \text{N} \\ \end{align}</math>)
Current revision (18:40, 17 March 2010) (edit) (undo)
 
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<math>\begin{align}
<math>\begin{align}
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& \uparrow N1-1.2g=0\ \text{gives} \\
+
& \uparrow N1-1\textrm{.}2g=0\ \text{gives} \\
-
& N1=1.2\times 9.8=11.76\ \text{N} \\
+
& N1=1\textrm{.}2\times 9\textrm{.}8=11\textrm{.}76\ \text{N} \\
\end{align}</math>
\end{align}</math>

Current revision

From the diagram

\displaystyle \begin{align} & \uparrow N1-1\textrm{.}2g=0\ \text{gives} \\ & N1=1\textrm{.}2\times 9\textrm{.}8=11\textrm{.}76\ \text{N} \\ \end{align}