Need help with this review question engineering dynamics

What are the forces acting on the tractor?

Why does a tractor have a big wheels in the back?

What advantage does this give?

What engine power is needed to pull the plane?

Guessing any engine power of the tractor ,how fast can the tractor pull the plane ?

C17-2. The tractor is about to tow the plane to the right. Is it possible for the driver to cause the front wheel of the plane to lift off the ground as he accelerates the tractor? Draw the free-body and kinetic diagrams and explain algebraically (letters) if and how this might be possible