The normal reaction ‘\( N \)’ for a vehicle of \( 800 \, \text{kg} \) mass, negotiating a turn on a \( 30^\circ \) banked road at maximum possible speed without skidding is _________ \( \times 10^3 \, \text{kg m/s}^2 \). [ Given \( \cos 30^\circ = 0.87, \mu_s = 0.2 \) ]
