Would you like some more fun problems?
I think you will find the following internet sites
very helpful, and fun, for thinking deeply about Physics.
Yacov Kantor's Physics QUIZ
tends to have quite tough questions, usually about theoretical
thought experiments. (A few of them still haven't been solved!)
`Physics question of the week'
from UMD usually has easier problems, all of which
relate to real physics demonstrations; each question and answer
are accompanied by pictures or movies showing the experiment being
You may find my page of
comments on these questions is
a helpful way to get into them, because I've included an index and
marked my favourite questions.
Probably the best way of all to learn Physics is to
teach it to someone else. You may therefore find it helpful to dig
around among the
other Physics teaching resources on the net.