1 Forces of magnitude \(4 \mathrm {~N} , 3 \mathrm {~N} , 5 \mathrm {~N}\) and \(R \mathrm {~N}\) act on a particle in the directions shown in Fig. 1.
\begin{figure}[h]
\includegraphics[alt={},max width=\textwidth]{fa99d9e6-e174-42dd-ac92-7b7d112c08be-2_697_780_443_639}
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\caption{Fig. 1}
\end{figure}
The particle is in equilibrium.
Find each of the following.
- The value of \(R\).
- The value of \(\theta\).