A tractor of $19.5 \mathrm{kN}$ weight and $1.8 \mathrm{~m}$ wheel base has $70 \%$ static weight on the rear axle. It pulls 8 kN drawbar load parallel to the ground through a hitch point located $450 \mathrm{~mm}$ above the ground. The dynamic weight on the rear axle of the tractor under operating condition in kN will be__________
A tractor of $19.5 \mathrm{kN}$ weight and $1.8 \mathrm{~m}$ wheel base has $70 \%$ static weight on the rear axle. It pulls 8 kN drawbar load parallel to the ground through a hitch point located $450 \mathrm{~mm}$ above the ground. The dynamic weight on the rear axle of the tractor under operating condition in kN will be__________