First of all, thanks for the reply ehild.
your explanation helps me better to understand this problem,
let me just paraphrase what you explained just so I understand your point.
1) crate moves together with the truck. So it has to have same acceleration
2) because it's accelerating...
Homework Statement
You and a friend have just loaded a 200 kg crate filled with priceless art objects into the back of a 2000 kg truck. As you press down on the accelerator, force F(surface on truck) propels the truck forward. To keep things simple, call this Ft. What is the maximum...