9 Two forces, of magnitudes 2 N and 5 N , act on a particle in the directions shown in the diagram below.
\includegraphics[max width=\textwidth, alt={}, center]{ec83c2c5-f8f8-4357-abfa-d40bc1d026b4-07_323_755_548_283}
- Calculate the magnitude of the resultant force on the particle.
- Calculate the angle between this resultant force and the force of magnitude 5 N .