A tractor T is pulling a trailer M with a constant acceleration. If the forward accel

$1\mathrm{.}5$ m$/$s$2$ and M $=400$ kg and T $=500$ kg$,$ then the force on the tractor due to the t

$($ignore air resistance$)$

$$

A$)200$ N forward.

B$)0.$

$600$ N backward.

$450$ N backward.

$35$ N forward.