Nice job on the superimposed lines exercise, but there’s an extra page of them. Be careful not to grind, please. Do the required number of pages, and move on. Similarly, the ghosted lines look quite good, too. Try not to slow down as you approach their end point, though- it causes your line to wobble a bit.

In regards to your question, I don’t, personally, notice any problems, so what it likely is is you not being 100% comfortable with the motion yet, which is normal.