Laws Of Motion

\(\mathrm{F}_{\mathrm{A}}, \mathrm{F}_{\mathrm{B}}\) and \(\mathrm{F}_{\mathrm{C}}\) are three forces acting at point \(\mathrm{P}\) as shown in figure. The whole system is in equilibrium state. The magnitude of \(\mathrm{F}_{\mathrm{A}}\) is