Answer:
Friends, the sum of forces is 3000-300 =2700, and then according to Newton's law F=ma, m=200kg, through deformation can get a=F/m, that is, a=2700/200=13.5m/s², maybe I was wrong, you can try it yourself
Explanation:
F:3000N-300N=2700N
F=ma=>a=F/m
a=2700N /200kg
=13.5m/s².